Helmets

The Quantum WaveCel is a 5-star rated mountain bike helmet with updated WaveCel safety technology that's lighter and cooler than ever. This do-anything helmet features a well-ventilated design with recessed channeling to provide more airflow on your warmest rides. Plus, finding the perfect fit is easy with the Headmaster III Fit System and a three-position adjustable visor. Storage channels make it easy to store your sunnies mid-ride. Product details: - 5-star safety rating from Virginia Tech with lighter and cooler WaveCel technology - New extended coverage provides greater protection than the prior generation - Front vents and channel system with 10% larger cells for more airflow and efficient cooling - Headmaster III fit system provides simple and secure one-handed adjustability - Lay-flat camlock straps reduce twisting and binding to maximize comfort and fit - Three-position adjustable visor with dedicated sunglasses storage on helmet - Crash Replacement Guarantee provides a free replacement in the event of a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over

The Rally WaveCel Mountain Bike Helmet is 5-star rated by Virginia Tech and features updated, lighter, and cooler WaveCel safety tech. You'll love how easy it is to dial in the perfect fit with a BOA® Fit System, lay-flat camlock straps, and a Fidlock magnetic buckle. Plus, the goggle friendly three-position visor has built-in sunglass storage and the removable Blendr mount makes it easy to mount a Trek light or GoPro. Plus, the deeper rear coverage offers additional protection, and two front-facing vents are strategically placed to offer more airflow to make Rally WaveCel feel cooler and look the part as well. Product details: - 5-star safety rating from Virginia Tech with lighter and cooler WaveCel technology - Deeper rear coverage provides added protection - Front vents and channel system with 10% larger cells for more airflow and efficient cooling - Excellent fit and comfort via BOA® fit system, lay-flat camlock strap, and Fidlock strap buckle - Goggle compatible three-position visor with built-in sunglass storage - Removable Blendr magnetic mount system easily integrates a GoPro camera or Trek lights - Crash Replacement Guarantee provides a free replacement in the event of a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over

A comfortable, versatile helmet with clean aesthetics and the added protection of Mips. - Mips safety system helps provide additional protection from rotational forces in the event of certain cycling-related accidents - Refined styling with removable visor easily transitions from road to trail - Large vents and recessed channeling keep you cool on warm days - Trek Headmaster 3 fit system provides simple and secure adjustability with just one hand - Soft, comfortable helmet pads wick moisture and are easy to wash after a full day of fun

A fun, comfortable kids' helmet that looks great and features the added protection of Mips. Details: - Mips safety system - Fun, kid-friendly looks with a removable visor - Large vents and recessed channeling help kids keep a cool head - Trek Headmaster 3 fit system provides simple and secure adjustability with just one hand - Soft, comfortable helmet pads wick moisture and are easy to clean - Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership - One Size: 50 - 55cm / 20" - 22"

A value-packed helmet perfect for kids who just want to hop on their bike and ride. READY TO RIDE WITH THE GROWN-UPS The Trek Tyro is a dedicated youth helmet packed with the same performance and comfort found in adult helmets. A Fidlock magnetic buckle lets kids secure the chin strap easily, and an simple-to-adjust dial fits a wide range of head sizes. Plush pads make the helmet comfortable for a full day on the bike. PRODUCT DETAILS - In-molded EPS shell with additional rear coverage for protection and durability - Fidlock magnetic buckle fastens effortlessly for a quick, kid-friendly fit - Dialed fit system provides a snug and comfortable fit - Soft, comfortable, moisture-wicking, and washable helmet pads - Adjustable helmet straps provide a clean look and easy fit management - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Helmet meets ASTM standards-their tests use a smaller mass headform more realistic to younger riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over

The Sphere MIPS delivers a perfect combination of great looks, all day comfort, performance and features to help protect in the event of an impact. You will look forward to every ride in the Lazer Sphere MIPS helmet. The ARS Fit System enables progressive fit adjustment via a thumbwheel. It distributes pressure evenly around the head, eliminating hot spots and pressure points. The adjustable head basket is ponytail friendly. Eighteen vents orientated at a 15-degree angle assures maximum airflow when the helmet is in the riding position. MIPS protection helps reduce the risk of rotational injury. A polycarbonate layer built inside the helmet keeps the foam together in the event of a crash, offering better protection from successive impacts. Sphere MIPS has been awarded the 5-Star "Best Available" protection rating from Virginia Tech. A docking area makes eyewear storage easy and bottom-shell protection helps prevent damage to the helmet foam. The optional Aeroshell accessory protects against the helmets or offers an aerodynamic benefit when desired. The Sphere MIPS weighs just 280 grams. WEIGHT: 280g (size small) MATERIAL: EPS Foam, Polycarbonate, Nylon FIT SYSTEM: Advanced Rollsys System (ARS) VENTILATION: 18 ROTATIONAL PROTECTION: MIPS CERTIFICATION: CPSC ACCESSORIES: Optional Aeroshell Sizing: - Small = 52 – 56cm - Medium = 55 – 59cm - Large = 58 – 61cm Features: Lazer Aeroshell compatible Multi use polycarbonate cover which fits over top of your helmet. It covers the front and side vents to protect your head from rain and cold or to gain an aerodynamic advantage. Adjustable Head Basket Allows the back part of the retention system to be adjusted up and down depending upon your preference and comfort. The nylon ratchet system can be pushed high and out of the way, or low for a feeling of increased security. Advanced Rollsys System (ARS) Easily adjust your helmet's fit by using the thumbwheel on the top of the helmet. Lazer's unique fit system prevents hotspots or pressure points by making the adjustment around the entire circumference of the head. MIPS layer The Multi-Directional Impact Protection System (MIPS) helps reduce the risk of rotational brain injury by isolating your head from the rotation of the helmet shell in the event of an impact. 5-star protection rating The Virginia Tech impact testing uses the STAR evaluation system to determine the helmet's ability to reduce linear acceleration and rotational velocity of the head resulting from a range of impacts a cyclist might experience. 5-star indicates the "Best Available" rating possible. Virginia Tech recommends the use of any 4- or 5-star rated helmet. Well ventilated Carefully designed vents and internal channeling pull air into the helmet and across your head for increased airflow. Essential for performance and comfort during high temperatures and hard efforts.

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

When it's time to hit the road, the Women's 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 Women's 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 Caden Helmet Vent Light accessory for the Caden Helmet is one of the easiest and most powerful ways to increase visibility and safety on the road.

The Dime is a kid-sized version of Giro's rugged Quarter adult helmet featuring a tough outer shell with impact-absorbing EPS liner, riveted webbing anchors and plush, sweat absorbent pads that are easy to swap for adjusting the fit. It also features a polyurethane coating to help protect the edges of the EPS liner. It's available in a bunch of great, kid-friendly colors too! - Small/Medium = 47-51cm - Medium/Large = 51-55cm

Premium Style for Recreational MTB How do you improve on the #1, top-selling helmet on Earth? Carefully, and with meticulous attention to detail. This updated helmet boasts a revised silhouette, redesigned integration of the Mips® Brain Protection System, and improved cooling power. Whether you're headed for off-road adventure or just a relaxing spin, the Fixture™ Mips II offers the right combination of value, performance, and classic design that can't be beat. With a strong and striking style, quick-dry padding, a simple and durable Roc Loc® Sport fit system, and reflective rear decals, every rider demand has been addressed. After all these updates and improvements, you'd be forgiven for thinking we doubled the price of this second-generation Fixture, but the Fixture Mips II retains its position as the value leader. FEATURES - INTEGRATED MIPS® BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro's Integrated Mips®-equipped helmets is to reduce rotational forces while enhancing fit and comfort by combining the Mips slip plane with the helmet's adjustable fit system. Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts. Learn more about Mips in the video above. - IN-MOLD CONSTRUCTION — In-Mold Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner. The fusion process allows for better ventilation systems, making in-mold helmets lighter and cooler than traditional helmets. - ROC LOC® SPORT FIT SYSTEM — The Roc Loc® Sport fit system offers easy one-handed operation with a 7cm adjustment range. Its confident clicking feel and sound lets riders know that the helmet is adjusting to a comfortable fit. With comfort similar Roc Loc 5 and ponytail compatibility, the new Roc Loc Sport fit system brings premium function to sport level helmets. - REFLECTIVE DETAILS — Reflective Details enhance visibility at nighttime or in low-light conditions when illuminated by a light source, such as headlights, by returning the light back to the source and reaching the driver's eye. - UNIVERSAL FIT™ SIZING — Our Universal Fit helmets are sculpted to look good and fit great for almost anyone on the first try. By developing proprietary shell sizes based on specific customer groups, and combining them with an easily-adjustable fit system, it's easy for you get the right fit, straight out of the box, without the hassle or expense of trying multiple sizes. HIGHLIGHTS - Quick-dry padding Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

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 Register MIPS helmet combines sleek design and lightweight construction to match your style, on the road or trail. Made in a comfortable Universal Fit size with Giro's convenient Roc Loc Sport fit system, the Register MIPS adjusts with a simple turn of the dial so you can tune the fit in seconds. A range of colors lets you choose exactly how your on-bike style comes together. Register MIPS models also have an integrated Multi-Directional Impact Protection System, which can redirect energy and provide more protection in certain impacts.

The Source MIPS helmet combines advanced performance and protection in a rugged, trail-ready design. Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 fit system with Integrated MIPS brain protection, plus a moto-style adjustable screw-in visor and full lower Hardbody durability, you get a helmet that's capably equipped for fun and adventure. MIPS: - Integrated MIPS (Multi-Directional Impact Protection System)—allows you to customize fit/feel for great stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact Construction: - In-Mold polycarbonate shell and EPS liner - Polycarbonate Hardbody lower shell Visor: - Adjustable moto-style screw-in visor Interior/liner type: - Coolfit anti-microbial padding Ventilation type: - 16 Wind Tunnel Vents with internal channeling Fit system: - Roc Loc 5 Impact liner type: - EPS foam liner Product weight: - 340g (size Medium)

The Source MIPS W helmet combines advanced performance and protection in a rugged, trail-ready design. Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 fit system with Integrated MIPS brain protection, plus a moto-style adjustable screw-in visor and full lower Hardbody durability, you get a helmet that's capably equipped for fun and adventure. MIPS: - Integrated MIPS (Multi-Directional Impact Protection System)—allows you to customize fit/feel for great stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact Construction: - In-Mold polycarbonate shell and EPS liner - Polycarbonate Hardbody lower shell Visor: - Adjustable moto-style screw-in visor Interior/liner type: - Coolfit anti-microbial padding Ventilation type: - 16 Wind Tunnel Vents with internal channeling Fit system: - Roc Loc 5 Impact liner type: - EPS foam liner Product weight: - 340g (Size Medium CPSC)

A Big Hit With Young Shredders With a brand new, smaller size, Tremor Child keeps more kids smiling, from the biggest shredders to the smallest groms. Featuring some of the best technologies from our adult line, like In-Mold construction for reduced weight and enhanced durability, secure fit adjustments, the Tremor is ready for any ride. Features: - Removable visor - Quick-dry padding - Built-in bug net - Reflective decals Construction: - In-Mold polycarbonate shell with EPS liner Ventilation: - 18 Vent

When every curb is a jump and every patch of dirt screams for a skid, the Tremor MIPS is there to keep smiles wide. Featuring some of the best technologies from Giro's adult line, like In-Mold construction for reduced weight and enhanced durability, and their acclaimed Roc Loc Sport system for fast, secure fit adjustments, the Tremor is ready for any ride. Tremor MIPS models also include an integrated Multi-Directional Impact Protection System (MIPS), which can redirect energy and provide more protection in certain impacts, providing the latest in head protection technology for junior riders.

The Vasona MIPS helmet combines sleek, lightweight design with an integrated Multi-Directional Impact Protection System (MIPS) that can redirect energy and provide more protection in certain impacts, giving you the latest in head protection on the road or trail. Made in a comfortable, Universal Fit women's size with Giro's adjustable Roc Loc Sport fit system, the Vasona's fit can be custom-tuned with a simple turn of the dial to make fitting fast and hassle-free. And with a range of colors to suit almost any style, you can choose exactly how your on-bike style comes together.

The Agilis W MIPS offers assured style and performance for women, with a sleek silhouette, airy design, and MIPS technology. The Agilis MIPS W is the right choice for women looking for a helmet that combines airy design with slightly deeper coverage and a host of performance features aimed at road and multi-surface riding. The fit 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 that's fused permanently to the EPS foam liner using our In-Mold process to enhance durability and ventilation without excess bulk. The fit 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 that's fused permanently to the EPS foam liner using our In-Mold process to enhance durability and ventilation without excess bulk. Specs: - Impact Management: Integrated MIPS - Construction: In-mold construction, Four-piece Polycarbonate Interlocking Hardbody Shell, Full Hardbody Wrap - Ventilation:Wind tunnel vents with internal channeling - Fit System: Roc Loc 5.5 MIPS - Weight: 300g (Size Medium CPSC); 280g (Size Medium CE) - Certification: Complies with the US CPSC Safety Standard for bicycle helmet for persons age 5 and older E.U.: CE EN1078

An updated classic. Already one of our most popular trail helmets of all time, the Women's Montaro MIPS II W now benefits from the Roc Loc 5 Air MIPS System. This sleek design integrates 2-way fit and stability adjustment with the MIPS brain protection system for an added measure of protection from rotational forces without excess plastic against your skin. The helmet's compact shape offers deep coverage and an in-mold hardbody shell for enhanced durability without excess weight. In addition to advanced brain protection, the Women's Montaro II W is outfitted with IONIC+ padding with permanent antimicrobial performance plus 16 vents with internal channeling to keep you cool and comfortable. We also built in all of the features you need for great fit with goggles, including strap grippers on the back of the helmet and our patented P.O.V. Plus visor that allows you to lift the visor and place your goggles on the front of the helmet when your run is done. A clever breakaway interface for your favorite light or camera is included, too.

The Radix MIPS W helmet combines rugged style and durability to meet the demands of core trail riders, with the coverage, light weight, and ventilation riders need to ride comfortably and confidently all day. The Women's Radix MIPS W 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. Specs: - Integrated MIPS - Construction: In-mold polycarbonate shell with EPS liner - Ventilation: Wind tunnel vents with internal channeling - Fit System: Roc Loc 5.5 MIPS - Weight: 316g (Size Medium CPSC); 300g (Size Medium CE) - Certification: Complies with the US CPSC Safety Standard for bicycle helmet for persons age 5 and older, E.U.: CE EN1078 - Highlights: P.O.V. Adjustable visor, Quick dry padding, Slimline webbing

The Speedframe Helmet has premium features usually found only on much more expensive helmets. A Mips liner designed to reduce rotational motion and redirect forces away from your brain should you crash, a goggle-compatible 3-position visor, and our 360-degree fit system makes the Speedframe one of the best values in open-face mountain bike helmets. Add in the legendary aggressive Fox design DNA, and you have one of the most shred-ready mountain bike helmets on the market today.

Proven MIPS Coverage for Superior Open-Face Performance The Speedframe MIPS Helmet has premium features usually meant for much more expensive helmets. A MIPS liner, goggle compatible 3-position visor, and our 360-degree fit make the Speedframe one of the best values in an open-face helmet. Add in the legendary aggressive Fox design DNA, and you have one of the most shred-ready trail helmets in the market today. Features - Proven MIPS impact protection system reduces rotational forces in a crash - Removable, washable moisture-wicking comfort liner - Optimized venting with channeled, in-molded EPS provides efficient cooling - Goggle compatible, 3-position adjustable visor - 360 Fit System allows you to dial in your perfect fit every ride - Weight: 360g Sizing - Small = 51 – 55cm - Medium = 55 – 59cm - Large = 59 – 63cm Certifications - CPSC - EN 1078 - AS/NZS 2063

Big protection for little riders The Big Dipper helmet packs great fit, comfort, and durability into a small package. Recommended for ages four to seven. Key features - For growing kids, ages 4-7 - In-molded EPS shell with full coverage for protection and durability - LockDown dividers provide clean looks and easily adjustable helmet strap management - Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership

When you're riding serious trails, you need serious protection. Bontrager Blaze WaveCel offers the best in performance and protection on any trail, from flowy singletrack to gnarly downhills. It’s built for style, comfort, and performance, and equipped with the industry's best safety tech for whatever trails you roam. 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. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm

Ultra-versatile helmet that is light, cool, and sleek with the added protection of WaveCel advanced helmet technology and the convenience of magnetic light mounts. If you're going to get just one helmet, make it this one Whether your finish line is on the race course or at your front door, Bontrager's Circuit WaveCel delivers the right performance, comfort, and tech to be your go-to helmet for any ride. It's equipped with features any rider will appreciate on any terrain, like WaveCel technology, a BOA Fit System for superior comfort and security, and the Blendr mount system for easy light and camera integration. 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 - BOA Fit System lets you easily secure and adjust your fit with one hand - Blendr magnetic mount system easily integrates a GoPro camera and Bontrager lights - Made of 50% recycled EPS material - FlatStrap semi-fixed strap dividers lay flush and move fore and aft for a perfect fit - Soft, comfortable, moisture-wicking, and washable helmet pads - Reflective elements on the back of the helmet offer enhanced visibility - Crash Replacement Guarantee provides free replacement if your helmet is impacted in the first year of ownership

New pads help your helmet fit best and smell fresh Let's face it—we all sweat. Sweat stinks. Fresh pads will make your helmet smell, and fit, just like it did when it was new. - Original equipment replacement fit pads for your Bontrager Starvos MIPS helmet - Also compatible with non-MIPS Bontrager Starvos helmet - Helmet fit pads should be replaced once a year to maintain fit and hygiene

Set your little thrill-seeker up for safe success in a helmet outfitted with Multi-directional Impact Protection System (MIPS). Developed by brain surgeons and scientists, MIPS helps reduce rotational forces on the brain caused by angled impacts to the head. - For growing kids, ages 2 – 4 - MIPS Brain Protection System - Fidlock magnetic buckle fastens effortlessly for a quick, secure, kid-friendly fit - Soft, removable helmet pads can easily be cleaned - Dialed fit system provides a secure and comfortable fit - Adjustable helmet straps provide a clean look and easy fit management - Helmet meets ASTM standards, whose tests use a smaller mass headform more realistic to younger riders - Crash Replacement Guarantee provides free helmet replacement if it is involved in a crash within the first year of ownership

Big protection for little riders Set your little thrill-seeker up for safe success in a helmet outfitted with Multi-directional Impact Protection System (MIPS). Developed by brain surgeons and scientists, MIPS helps reduce rotational forces on the brain caused by angled impacts to the head. Key features - For growing kids, ages 2 - 4 - MIPS Brain Protection System - Fidlock magnetic buckle offers quick, secure fit that's easy for kids - In-molded EPS shell with full-coverage for protection and durability - LockDown dividers make helmet strap management clean and are easy to adjust - Reflective elements on back of helmet for enhanced visibility - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - One Size = 46-50cm

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)