Adults

When it's time to hit the road, the Agilis MIPS offers a sporty, sleek style with comfortable features you can count on, including 32 wind tunnel vents, Coolfit anti-microbial padding, and integrated MIPS technology. The fit on the Agilis MIPS is comfortable and secure thanks to our adjustable Roc Loc 5.5 MIPS system that combines fit and positioning adjustments while integrating with MIPS technology for an added measure of protection in the event of an angled impact. The outer Hardbody shell extends to the inside of the helmet, and is molded from a tough polycarbonate thats fused permanently to the EPS foam liner using our In-Mold process to enhance durability and ventilation without excess bulk. - 32 Wind tunnel vents with internal channeling - Full-wrap in-mold polycarbonate shell with EPS liner - Coolfit anti-microbial padding - Featherweight webbing with Slimline buckle - Roc Loc 5.5 MIPS fit system

The Fixture MIPS brings confident mountain bike style and breezy ventilation together in a compact design that complements nearly any ride -- especially when there's dirt under tread. Some of Giro's best features, like In-Mold construction coupled with the ease and comfort of their acclaimed Roc Loc Sport fit system, offer the versatility you need to ride everything from fire-road adventures to swooping singletrack trails. The Roc Loc also is seamlessly integrated with the Multi-Directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts.

The Radix MIPS helmet combines rugged style and durability to meet the demands of core trail riders, with the coverage, lightweight, and ventilation riders need to ride comfortably and confidently, all day. The Radix MIPS helmet is for the rugged adventurer who appreciates a perfect fit, the sun staying out of their eyes, and plenty of ventilation. The highly adjustable Roc Loc 5.5 MIPS system allows you to customize fit and feel for enhanced stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact. The P.O.V. Visor offers 15 degrees of adjustment, and the tough polycarbonate outer shell is fused permanently to the EPS foam liner using our in-mold construction process, to enhance durability and ventilation without excess bulk. - Construction: Full-wrap in-mold polycarbonate shell with EPS liner - Sport: Cycling - Number of vents: 25 - Ventilation type: Wind tunnel vents with internal channeling - Fit system: Roc Loc 5.5 MIPS

The women's Radix MIPS helmet combines rugged style and durability to meet the demands of core trail riders, with the coverage, lightweight, and ventilation riders need to ride comfortably and confidently, all day. The Radix MIPS helmet is for the rugged adventurer who appreciates a perfect fit, the sun staying out of their eyes, and plenty of ventilation. The highly adjustable Roc Loc 5.5 MIPS system allows you to customize fit and feel for enhanced stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact. The P.O.V. Visor offers 15 degrees of adjustment, and the tough polycarbonate outer shell is fused permanently to the EPS foam liner using our in-mold construction process, to enhance durability and ventilation without excess bulk. - Construction: Full-wrap in-mold polycarbonate shell with EPS liner - Sport: Cycling - Number of vents: 25 - Ventilation type: Wind tunnel vents with internal channeling - Fit system: Roc Loc 5.5 MIPS

The Syntax MIPS combines a touch of European flair with slightly deeper coverage and high-performance features - all tucked into a very slim design. The outer shell is molded from a tough polycarbonate that’s fused permanently to the EPS foam liner using Giro's In-Mold construction process to enhance durability and ventilation without excess bulk. The fit is luxurious and secure, thanks to the highly adjustable Roc Loc 5 Air MIPS system that allows you to customize fit/feel for great stability and long-range comfort. Another benefit is integrated MIPS which can provide an added measure of protection from rotational forces in the event of an angled impact.

An off-road helmet with WaveCel technology that balances comfort and performance for trail riders who value safety. A major advancement in the protection against cycling-related head injuries Rally WaveCel is a high-style, high-value off-road helmet with trail-specific features and WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - Virginia Tech 5 STAR rating - BOA Fit System lets you easily secure and adjust your helmet fit with one hand - Adjustable visor offers multiple coverage options - Extended back-of-helmet shell offers additional rear protection - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, moisture-wicking, and washable helmet pads - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small (51-57cm) / Medium (54-60cm) / Large (58-63cm) - Fit system: Boa - Pad material: Moisture-wicking pads - Buckle type: Standard buckle - Includes: Crash Replacement Guarantee - Weight: 360g (Small) / 400g (Medium) / 430g (Large)

All-purpose, value-packed helmet balances performance and comfort with the added protection of MIPS. All-purpose protection for every rider The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist to help reduce rotational forces on the brain caused by angled impacts to the head. Product details - MIPS Brain Protection System - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and easy to adjust - Internal, recessed channels move airflow over your head to keep you cool and dry - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small/Medium (51-58cm); Medium/Large (55-61cm) - Fit system: Headmaster II - Pad material: Moisture wicking pads - Buckle type: Fidlock buckle - Includes: Visor plugs - Weight: 335g (Small/Medium)

The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head. Key Features - MIPS Brain Protection System - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and are easy to adjust - Internal, recessed channels move airflow over your head to stay cool and dry - Reflective elements on back of helmet for enhanced visibility - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

A stylish road helmet with advanced WaveCel technology that balances comfort and performance for all riders who value safety. A major advancement in the protection against cycling-related head injuries Starvos WaveCel is a versatile, high-value cycling helmet for new-to-seasoned riders who want the added protection of WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - Virginia Tech 5 STAR rating - Intuitive, one-handed Headmaster fit system makes height and circumference adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, moisture-wicking, and washable helmet pads - Available in XL sizing - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Specifications - Size (head circumference): Small (51-57cm) / Medium (54-60cm) / Large (58-63cm) / X-Large (60-66cm) - Fit system: Headmaster II - Pad material: Moisture-wicking pads - Buckle type: Standard buckle - Includes: Crash Replacement Guarantee - Weight: 300g (Small) / 335g (Medium) / 370g (Large) / 385g (X-Large)

The Classic certified helmet delivers maximum protection and comfort. - Vents: 11 Open Vents - Interior: Heat-Sealed Premium Pads - ABS Hardshell construction with light EPS core liner - Multi-certified for CPSC, CE, ASTM and AS/NZS 2063:2008 - Small = 54 – 56cm - Medium = 56 – 58cm - Large = 58 – 60cm - X-Large = 60 – 62cm

The Full Cut helmet features a retro design with compression-molded pads. - Classic ear protection styling - HDPE or ABS shell lined with EPS and outfitted with compression-molded pads - Two-stage premium liner - Stainless steel hardware - Soft tubular webbing - Multi-impact, and Multi-Certified (CPSC, CE, ASTM, AS/NZS 2063:2008) - Small = 54 – 56cm - Medium = 56 – 58cm - Large = 58 – 60cm - X-Large = 60 – 62cm

The Old School Cert was modified from the original 1973 Full-Tec and features a retro shape that sits low on your head, offering great impact protection. - The more rounded shape practically molds to any shape head - High-Impact ABS shell - Premium heat-sealed EPS liner for a comfortable fit - 11 open vents keep you cool - Compression molded pads - CPSC 1203, EN 1078, AS/NZS 2063:2008 certified - Small = 54 – 56cm - Medium = 56 – 58cm - Large = 58 – 60cm - X-Large = 60 – 62cm

Beyond just aerodynamic, POC's Octal Aero provides incredible ventilation and safety. It's unique shape uses a unibody construction that provides more coverage to the temples and the back of the head. It's EPS liner is strategically thicker in sensitive areas, and it's all covered with a durable outer polycarbonate shell. Relective patches help keep you visible and POC includes their scannable ICE tag. To keep this aerodynamic helmet from overheating, POC included Coolbest padding to reduce the temperature between your head and the helmet. Additionally, large exhaust ports at the back of the helmet move warm air out and increase air circulation so you can keep cool even at your red line.

The Octal X SPIN tailors to the needs of gravel and cyclocross riders. With an extended shell covering more of the helmet liner compared to the Octal, the Octal X SPIN benefits from enhanced strength properties with very little increase in weight. Features include extreme ventilation, aerodynamic efficiency, a unibody shell construction and an EPS liner, as well as POC's proven aramid bridge technology. All these features come as part of our whole-helmet approach to design and construction in order to deliver superior levels of comfort, fit, and performance. With the inclusion of SPIN (Shearing Pad INside), our silicone-pad-technology system, the helmet further builds on our whole-helmet approach. - Fully wrapped unibody shell construction to improve helmet strength. - Helmet integrated with patent-pending SPIN (Shearing Pad INside) pads. - Very lightweight. - Highly ventilated using POC's unique ventilation design. - Aramid bridge technology added to EPS liner for enhanced structural integrity. - High-performance Polycarbonate (PC) shell covering more of the liner to improve safety and protection against sharp objects. - Simple and easy adjustment system for a perfect fit. - Precision straps molded into liner for extra comfort. - Eye garage to keep your sunglasses. - Recco reflector.

The helmet that inspires the will for more. Whether on the morning commute or out for a weekend ride, the Omne Air SPIN pushes you to go further. Optimal liner density and thicker core protection zones provide ideal all-round protection for everyday use, while ventilation channels and a low weight inspired by our award-winning road cycling helmets deliver optimum comfort and functionality on longer rides. By taking our whole-helmet approach to the creation of the Omne Air SPIN, the helmet delivers superior levels of comfort, fit, and performance. - Includes SPIN (Shearing Pad INside), our patent-pending silicone-pad-technology system - Optimized-density EPS liner offers ideal impact-force absorption - Slim profile for low weight and a clean aesthetic - Lightweight size-adjustment system makes it easy to find the perfect fit - Easily adjustable straps with anchors molded into the helmet liner improve both comfort and safety - 360° size-adjustment system makes it easy to find the perfect fit

With features from several of POC’s award-winning helmets and a unibody shell construction, the Tectal Race SPIN provides protection and ventilation on a previously unseen scale for mountain bike riders. With the inclusion of SPIN (Shearing Pad INside), our patent-pending silicone pad technology system, the helmet further builds on our whole-helmet approach to design and construction in order to deliver superior levels of comfort, fit, and performance. Other safety features include an aramid bridge system for improved structural integrity and a reinforced EPS liner. The unibody shell construction supports the integrity of the helmet while ensuring the weight remains low. With ventilation optimized and evaluated through wind tunnel testing, the Tectal Race SPIN delivers lightweight, reliable protection that will keep you cool headed as you push your boundaries on the trail. - Fully wrapped unibody shell construction to improve helmet strength - Helmet integrated with patent pending SPIN (Shearing Pad Inside) pads - Lightweight - Highly ventilated using POC’s unique ventilation design - Aramid bridge technology integrated with liner for enhanced structural integrity - High performance PC shell covering more of the liner to improve safety and protection against sharp objects - Simple and easy adjustment system for a perfect fit - Precision straps molded into liner for extra comfort - Goggle clip - Adjustable visor - Recco reflector - Weight: XS-S: 337g, M-L: 368g, XL-XXL: 390g - Certifications: EN 1078, CPSC 12.03, AS/NZ 2063:2008

Aerodynamic performance, safety, and ventilation do not need to come at the expense of each other. By using our whole-helmet approach to development, we have been able to deliver unparalleled levels of aerodynamic performance, safety, and ventilation without compromise in the Ventral SPIN. Airflow zones allow the helmet to pass through the air with greater efficiency, making it faster. Residual air traveling around the helmet is managed by the 22° aero trailing edge, the perfect angle for minimizing turbulence, further improving aerodynamic performance. By leading air through rather than around the helmet, its wake is minimized, while its ventilation and cooling properties are enhanced. Other features of our whole-helmet approach include a fully wrapped unibody shell with an EPS liner for the ideal balance between weight and protection, SPIN (Shearing Pad INside), our patent-pending silicone-pad technology, a lightweight adjustment system, and an ergonomic precision strap for a flexible, comfortable, and secure fit. - Unique aerodynamic design optimized with CFD testing for enhanced aerodynamic performance and minimal air turbulence. - Helmet integrated with patent-pending SPIN (Shearing Pad INside) pads - Accelerated airflow zones, inspired by the Venturi effect, to reduce fluid drag. - Extreme cooling and ventilation due to innovative airflow design. - High-performance EPS liner with targeted and optimized density to provide the ideal balance of low weight and crash protection. - Fully wrapped unibody shell construction to increase safety and helmet integrity. - Lightweight size-adjustment system for a personalized fit. - Easily adjustable precision straps molded into the helmet liner for extra comfort and safety. - Eye garage to keep your sunglasses securely in position when placed on the helmet.

Aerodynamic performance, safety and ventilation do not need to come at the expense of each other. By using our whole-helmet approach to development, we have been able to deliver unparalleled levels of aerodynamic performance, safety and ventilation without compromise in the Ventral SPIN. Taking inspiration from the Venturi effect, the helmet’s airflow zones allow the helmet to pass through the air with greater efficiency, making it faster. Residual air traveling around the helmet is managed by the 22° aero trailing edge, the perfect angle for minimizing turbulence, further improving aerodynamic performance. By leading air through rather than around the helmet, its wake is minimized, while its ventilation and cooling properties are enhanced. Other features of our whole-helmet approach include a fully wrapped unibody shell with an EPS liner for the ideal balance between weight and protection. SPIN (Shearing Pad INside), our patent-pending silicone pad technology; a lightweight adjustment system and an ergonomic precision strap provides a flexible, comfortable and secure fit. - Unique aerodynamic design optimized with CFD testing for enhanced aerodynamic performance and minimal air turbulence. - Helmet integrated with patent pending SPIN (Shearing Pad Inside) pads - Accelerated airflow zones, inspired by the Venturi effect, to reduce fluid drag. - Extreme cooling and ventilation due to innovative air flow design. - High performance EPS liner with targeted and optimized density to provide the ideal balance of low weight and crash protection. - Fully wrapped unibody shell construction to increase safety and helmet integrity. - Light weight size adjustment system for a personalized fit. - Easily adjustable precision straps molded into the helmet liner for extra comfort and safety. - Eye garage to keep your sunglasses securely in position when placed on the helmet. - Used and preferred by Cannondale - drapac Pro Cycling Team. - Meets EN 1078, CPSC 12.03 AS/NZ 2063:2008 certifications.

This isn't your average bike helmet. The CITY is a purpose-built urban helmet featuring Composite Fusion Plus technology, integrated drop-down eye shield, and removable ear pads. The result is a helmet ready to take on any urban commute. Technology: - Composite Fusion Plus: This technology uses a layer of multi density cone shaped foam that intersect with a layer of softer foam that surrounds the head. In an impact, these cones act as a progressive damper to absorb different levels of impact. As they collapse, these cones also direct energy sideways and away from the brain. Features: - Integrated visor - Anti-microbial pads - Removable ear pads - Integrated rear light mount - Sizing: S/M (54-58cm) L/XL (58-62cm)

The Danu is a lightweight, eco-friendly helmet packed with features geared towards the avid commuter. The magnetic Fidlock snap buckle makes fastening the chin strap a one-handed operation, while the integrated visor provides convenient sun protection. - Composite Fusion protection - Removable visor - Recycled EPS foam and PET straps - Water based paint - 100% cotton pads - Dial-Fit closure system - Small/Medium = 55 – 58cm - Large/X-Large = 58 – 61cm

The Shiva 2.0 is designed for riders who demand exceptional performance and uncompromising comfort. Kali's proprietary Nano Fusion technology and LDL efficiently dissipate impact forces, setting the standard in full face helmet protection. Technology: - Nano Fusion: In-molded multi-density EPS with acrylic self-healing foam and carbon nanotubes. Dissipates impact energy more efficiently in a smaller volume. - The Low Density Layer (LDL) consists of specially designed viscoelastic padding placed throughout the interior of the helmet. Reduces rotational impact forces by up to 25% and low-G linear impact forces by up to 30% Features: - Break-away visor - Anti-microbial pads - Removable/washable liner - Helmet sock - Certifications: DOT, ASTM F1952, ASTM 2032, ASTM F2040, CPSC, EN 1078 TRAIL - Weight: 1190g / 42 oz. - Sizing: XS (53-54 CM) S (55-56 CM) M (57-58 CM) L (59-60 CM)

The Delta Scope has a one piece in-mold hardshell, EPS inner foam, and is deep fitting for comfort, protection and style. - Additional foam padding included for a custom fit - Quick-release strap - Eight vents to keep you cool

Pro-Inspired Full-Face Mountain Bike Helmet Featuring MIPS The Rampage Comp Infinite Helmet offers a class-leading feature set including MIPS, a lightweight fiberglass shell, fully-adjustable visor, and many other options usually reserved for much more expensive helmets. The design is inspired by our championship-winning Rampage Pro Carbon and maintains that aggressive design which looks as fast sitting still as it does on the bike. Features - Proven MIPS impact protection system reduces rotational forces in a crash - Lightweight fiberglass shell designed for strength and performance - Goggle compatible adjustable visor - Removable, washable moisture wicking liner - Lightweight and reliable double d-ring closure - Small = 21.75 – 22.25in - Medium = 22.25 – 23.25in - Large = 23.25 – 23.75in - X-Large = 23.75 – 24.75in - XX-Large = 24.75 – 25.25in Certifications - CPSC - EN 1078 - AS/NZS 2063 - ASTM 1952-15 DOWNHILL

Pro-Inspired Full-Face Mountain Bike Helmet Featuring MIPS The Rampage Comp Matte Black Helmet offers a class-leading feature set including MIPS, a lightweight fiberglass shell, fully-adjustable visor, and many other options usually reserved for much more expensive helmets. The design is inspired by our championship-winning Rampage Pro Carbon and maintains that aggressive design which looks as fast sitting still as it does on the bike. Features - Proven MIPS impact protection system reduces rotational forces in a crash - Lightweight fiberglass shell designed for strength and performance - Goggle compatible adjustable visor - Removable, washable moisture wicking liner - Lightweight and reliable double D-ring closure - Small = 21.75 – 22.25in - Medium = 22.25 – 23.25in - Large = 23.25 – 23.75in - X-Large = 23.75 – 24.75in - XX-Large = 24.75 – 25.25in Certifications - CPSC - EN 1078 - AS/NZS 2063 - ASTM 1952-15 Downhill

Developed with direct input from our elite downhill MTB and freeride athletes, the RPC offers the most complete levels of performance and protection we have ever offered in a gravity helmet. The Rampage Pro Carbon Matte Helmet builds off its race-winning heritage with a new highly-ventilated design and dual rotational management systems. Under the light and robust Multi-Composite Technology shell is a dual-density EPS, meant to provide improved impact protection by distributing the force of impact over a wider surface area. The Magnetic Visor Release System (MVRS) adds an additional layer of rotational management by purposely detaching from the helmet in the event of a crash. Finally, Fluid Inside technology, which mimics your body's natural cerebral spinal fluid, is meant to help manage both linear and rotational impact energy. This arsenal of helmet tech is paired with a luxury interior that features 19 expansive vents and a premium X-static moisture-wicking comfort liner. New streamlined fit: Our minimum offset design (M.O.D.) allows a closer more precise fit. The result is a streamlined profile that reduces the overall size of the helmet without sacrificing performance or safety. Note: When you first put on your new RPC, it will fit snugly and may even feel a bit too tight until it's positioned correctly. With time, the helmet will adapt to your head and loosen a little. - Our Matte black helmet has raw UD carbon fiber layers, which gives each helmet a unique look and finish. - Magnetic Visor Release System (MVRS) allows the visor to detach during a crash - Dual-density Varizorb EPS liner is meant to provide improved impact protection - CAGE chin bar/eye port is intended to improve energy management in the event of an impact - MCT (Multi-Composite Technology) shell provides an excellent balance of strength & weight - Mesh vent screens provide airflow while maintaining protection from dirt and debris - 19 total vents - 15 intake & 4 exhaust vents to channel cool air in and hot air out - Fluid Inside ensures optimal linear and rotational impact performance - Removable, washable X-static moisture-wicking & antimicrobial comfort liner - 3 shell sizes & 4 EPS sizes for the best in class fit - Stainless steel D-ring closure - Includes zippered helmet bag - Weight: 1230g in a size M (+-50g)

Our Pro-Level Downhill Full-Face Mountain Bike Helmet The Rampage Pro Carbon Wurd Helmet features an ultra-ventilated design and two rotational management systems. It offers the most complete levels of performance and protection ever offered in a gravity helmet. Under the light and robust Multi-Composite Technology shell is a dual-density EPS, meant to provide improved impact protection by distributing the force of impact over a wider surface area. The Magnetic Visor Release System (MVRS) adds an additional layer of rotational management by purposely detaching from the helmet in the event of a crash. Finally, Fluid Inside technology, which mimics your body's natural cerebral spinal fluid, is meant to help manage both linear and rotational impact energy. This arsenal of helmet tech is paired with a luxury interior which features 19 expansive vents and a premium X-static moisture-wicking comfort liner Features - Magnetic Visor Release System (MVRS) allows the visor to detach during a crash - Dual-density Varizorb EPS liner is meant to provide improved impact protection - CAGE chin bar/eye port is intended to improve energy management in the event of an impact - MCT (Multi-Composite Technology) shell provides an excellent balance of strength & weight - Mesh vent screens provide airflow while maintaining protection from dirt and debris - 19 total vents - 15 intake & 4 exhaust vents to channel cool air in and hot air out - Fluid Inside ensures optimal linear and rotational impact performance - Removable, washable X-static moisture-wicking & antimicrobial comfort liner - 3 shell sizes & 4 EPS sizes for the best in class fit - Stainless steel D-ring closure - Includes zippered helmet bag - Weight: 1230g in a size M (+-50g) Sizing - Small = 55 – 56cm - Medium = 57 – 58cm - Large = 59 – 60cm - X-Large = 61 – 62cm Certifications - CPSC - EN 1078 - AS/NZS 2063 - ASTM 1952-15 Downhill

Keep it safe with an Electra Commute MIPS Helmet. The perfect balance of form and function, these stylish and sleek helmets are our most advanced yet. - MIPS Brain Protection System - Boa System ensures easy adjustment and secure fit - Camera/light mount and reflective visor - Magnetic Fidlock slide buckle - In mold EPS with PC shell for maximum comfort and protection - Certified to NTA 8776 standard and is ideal for e-bike riders - Size small fits circumference 48 cm - 54 cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55 cm - 58 cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59 cm - 61 cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults

It doesn't matter if you're a casual rider or committed commuter. Stay safe and protect your head with an Electra helmet. - Durable ABS hardshell and EPS foam liner for maximum comfort and protection - Fit retention system with reflective bubble decal - Authentic Electra graphics - Secure magnetic Fidlock buckle - Heat sealed and washable padding liner for added comfort - Reflective straps - Size SMALL fits circumference 48cm - 54cm and hat sizes 6 1/2 - 6 3/4 - Size MEDIUM fits circumference 55cm - 58cm and hat sizes 6 7/8 - 7 1/4 - Size LARGE fits circumference 59cm - 61cm and hat sizes 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults

All the great features of the Gass helmet with the addition of Fluid technology. The Fluid Inside technology includes several pods that create an additional protective layer inside the helmet to help absorb impact. - Ideal for road races and triathlons, with instant-release magnetic clasp and its aerodynamic - Keep cool with 11 aero vents - X-Light Roll Fit System with vertical and lateral Micrometric adjustment offers a perfect fit - Padding is removable, washable, and has an anti-bacterial treatment for odor control - Instant-release magnetic clasp - Insect netting and reflective accents - CE EN 1078, CPSC certified

Ultimate aero road bike helmet with wind-tunnel proven design and the added protection of MIPS. Aero got cool The Ballista MIPS road helmet projects racers to their target just like the ancient Greek missile weapon it was named after. Thanks to a wind tunnel-proven design and superior venting with our unique internal channeling, Ballista launches you to the front of peloton breakaways and sprint-line finishes. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - Front Center Channel's distinct vent shape draws in significantly more air - Internal, recessed channels move airflow over your head to stay cool and dry - In-mold composite skeleton increases helmet integrity for larger vent variations - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - LockDown dividers make helmet strap management clean and are easy to adjust - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Details - Shell Material: Polycarbonate