Adults

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)

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)

For trail or town Built for riders who live active lifestyles and want to stay protected, the Quantum cycling helmet looks just as good as it fits. Featuring MIPS, Multi-directional Impact Protection System, superior ventilation, and excellent coverage. Get it all and even more with a removable visor allowing Quantum to be your go-to helmet no matter what type of riding. 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. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - In-mold composite skeleton increases helmet integrity for larger vent variations - Soft, comfortable, moisture-wicking, and washable helmet pads - Internal, recessed channels move airflow over your head to stay cool and dry - Removable snap-on visor and port covers provide multiple looks to fit your style - 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

Bontrager Charge WaveCel Commuter is a fashion-forward helmet that earns top marks in style and safety. It’s perfect for commutes, e-bike rides, and everyday adventures, and it's built with the most advanced helmet safety tech available so you don’t have to choose between fashion and function. 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 - Rear Blendr mount system easily integrates Bontrager light accessories - Soft, comfortable, moisture-wicking, and washable helmet pads - Built-in visor provides constant coverage against sun and rain - Reflective elements on back of helmet offer enhanced visibility to be seen - 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

Bontrager XXX WaveCel delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams. 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 - Easy-to-use adjustable strap dividers allow for a fine tune fit - An aerodynamic shape helps you outsmart the wind and ride faster - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Team Trek-Segafredo sticker kit included with Viper Red, White, and Visibility Yellow colorways - 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

Braaaaaap not included The Rally MIPS mountain bike helmet raises the bar in comfort and protection. Equipped will all the best features including MIPS brain protection system, Boa fit system for superior comfort and security, and the Blendr mount system for light and camera integration. Plus extended coverage and ample vents will keep you riding all day on the toughest trails. 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. Key features - MIPS Brain Protection System - The Boa System lets riders easily secure and adjust helmet fit with one hand - Blendr mount system easily integrates GoPro camera and Bontrager lights accessories - Drop-in coverage on back of helmet offers extended protection - In-mold composite skeleton increases helmet integrity for larger vent variations - FlatLock dividers make helmet strap management simple through fixed position fit - Internal, recessed channels move airflow over your head to stay cool and dry - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership

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

The gnome protects your dome. Helmets don't have to be boring. Fortunately, boring isn't in our vocabulary. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Retention system provides secure and snug fit - Easy-to-use magnetic Fidlock buckle - 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 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Fidlock buckle - Includes: Fabric visor

Electra has always brought you the styles and functional designs you love in the world of cruisers. Now, with their Solid Color Helmet, they keep you looking stylish while keeping your dome safe. This understated, savvy lid offers a variety of sweet color choices to meet your style needs. - Durable ABS hardshell and EPS foam liner max comfort and protection - Fit retention system with reflective bubble decal - Solid color to match any bike. Well, at least your favorite bike. - Secure magnetic Fidlock buckle - Heat sealed and washable padding liner for added comfort - Reflective straps - CPSC Adult Certified Size: - Small: 48-54cm - Medium: 55-58cm - Large: 59-61cm

Ride smart. It's a no brainer. Helmets don't have to be boring. Fortunately, boring isn't in our vocabulary. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - Safety, comfort and function for all riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over.

Electra helmets: Making messy hair business professional. We love what’s inside that head of yours 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 (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 Product details: - 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 standards and is ideal for e-bike riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 5 and over Specs: - Circumference: 48-54cm/19"-21" - Fit system: BOA® - Pad material: Moisture-wicking pads - Buckle type: Fidlock buckle - Includes: Reflective visor and Blendr front mount - Weight: 345g

Ride smart. It's a no brainer. If you're going to rock a helmet on an Electra, rock an Electra on your helmet. Choose between awesome colors and graphics that fit your style. Electra helmets: Making messy hair cool since 2016. - Durable ABS hardshell for protection and EPS foam liner for security - 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 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Standard buckle

If you're going to wear a helmet on your Electra, wear an Electra on your helmet. - Durable ABS hardshell for protection and EPS foam liner for security - Detachable visor for when you want sun protection, velcro for when you don't - Fit retention system provides secure and snug fit - Easy to use magnetic Fidlock buckle - 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

We love what's inside of that head of yours. 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 (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. Electra helmets: Making messy hair business professional. - MIPS Brain Protection System - Fit retention system ensures easy adjustment and secure fit - 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 - Fit System: HB-80 - Pad Material: Moisture-wicking pads - Buckle Type: Fidlock buckle - Includes: Fabric visor

We love what's inside of that head of yours 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 (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. Electra helmets: Making messy hair business professional. - MIPS Brain Protection System - Fit retention system ensures easy adjustment and secure fit - 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

Maximum coverage open-face mountain bike helmet. The Dropframe Pro Helmet is a game-changing, open-faced 3/4 enduro helmet. It features Mips®, the BOA® fit system for class-leading fit and security, increased ventilation, plus an ionic+® anti-microbial liner and cheek pads to optimize fit. With its increased coverage for the ears, jaw, and back of the head, this MTB helmet provides the most complete coverage we offer in an open-face helmet. Key Features and Specifications: - BOA® fit system for class-leading fit and security - Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain - 3-position adjustable visor compatible with goggles - Removable under visor GoPro mount included - Big Bore front vents include eyewear storage recess - Increased ventilation and decreased surface contact area improve cooling - Ionic+® anti-microbial liner and cheek pads to optimize fit - Fidlock magnetic closure Meets the NTA-8776 E-bike helmet certification standard Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel Materials: 30% EPS, 11% EVA, 10% polycarbonate, 13% nylon, 11% Pom, 14% Tpee

When designing the Smith Convoy, we set out to create a mountain bike helmet that felt like it was tailor-made for your head. An adjustable dial on the back lets you fine-tune the fit for comfort. When it comes to comfort and protection, the helmet ticks all the boxes. It has a Mips® liner system and all the ventilation you'll need through the hottest days on the trail. In addition to easy integration with performance eyewear, it also features outside channels that store your shades when dusk sets in. Protection - Lightweight in-mold construction - Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head - CPSC and CE EN 1078 certified - AS/NZS2063 certified Fit / Integration - Adjustable dial fit system for a customized fit - Designed for ultimate integration with Smith performance eyewear and goggles for maximum comfort, venting and storage convenience - AirEvac™ ventilation system integrates with Smith eyewear for fog-free lenses Features - 20 fixed vents for consistent airflow - Integrated visor - Performance comfort lining - Lightweight, low-bulk single-layer webbing - Weight (Size M, Mips®): 11 oz / 300 g

Big berms, rock gardens, or flowy rollers. No matter the trail, get after it with confidence in the Smith Engage mountain bike helmet. Zonal Koroyd™ complements MIPS® for energy-absorbing impact protection in the event of a crash. A dial-adjustable fit and extended back coverage provide a locked-in feel. On hot days or exposed climbs, 20 fixed vents and our AirEvac™ ventilation system keep you cool and comfortable. Channels on the front make it easy to stow eyewear and a two-position visor rotates up for on-the-go goggle storage. Product Details: Protection: - Lightweight in-mold construction, Zonal KOROYD® coverage for lightweight, energy-absorbing, and ventilated impact protection - Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head - CPSC and CE EN 1078 certified Fit / Integration: - Adjustable dial fit system for a customized fit - Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting, and storage convenience - AirEvac ventilation system integrates with Smith eyewear for fog-free lenses Features: - 21 fixed vents for consistent airflow - Performance comfort lining - Lightweight, low-bulk single-layer webbing - Two-position adjustable visor Weight (Size M, Mips®): 12 oz / 350 g

Fast-paced lunch ride or weekend 60-miler, the Smith Persist road helmet is down for whatever you've got in mind. Designed to feel like it's tailor-made for your head, you can fine-tune the fit on the fly with an easy-to-use dial adjuster. When you're sweating it out on the climb, 21 fixed vents and our AirEvac™ ventilation system keep the air flowing, your head cool and your glasses from fogging. Energy absorbing zonal Koroyd® complements MIPS® Brain Protection System to reduce impact forces in the event of a crash and for the confidence to tuck every descent. Product Details: Protection: - Lightweight in-mold construction, Zonal KOROYD® coverage for lightweight, energy-absorbing, and ventilated impact protection - Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head - CPSC and CE EN 1078 certified Fit / Integration: - Adjustable dial fit system for a customized fit - Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting, and storage convenience - AirEvac ventilation system integrates with Smith eyewear for fog-free lenses Features: - 21 fixed vents for consistent airflow - Performance comfort lining - Lightweight, low-bulk single-layer webbing - Weight (Size M, Mips®): 11 oz / 300 g

The Network helmet is the perfect blend of style, versatility and performance. Cyclists will welcome the clean, modern design combined with the superior protection and ventilation properties that only Koroyd can provide. Koroyd is featured in strategic, zonal impact areas offering increased protection where it matters most. As eyewear integration is mandatory for this rider, the AirEvac system works to pull air off of your eyewear to prevent fogging. Pass-through channels allow eyewear to be easily stored on the front of the helmet. - Lightweight Aerocore in-mold construction - Ventilated protection featuring patented Koroyd material - MIPS system available in all colors - VaporFit adjustable fit system - 20 optimized vents - XT2 anti-bacterial performance lining - Ultra-light single layer webbing - AirEvac ventilation - Camera and light mount compatible - Ultimate sunglass integration - Adjustable/removable visor - Weight (Size M) 10.58oz / 300 grams - Certification: CPSC, CE EN 1078 Sizing - Small: 51 – 55cm - Medium: 55 – 59cm – Large: 59 – 62cm

Drop into banked corners, and roll flowy singletrack with confidence. Designed for those who embrace speed, the Smith Payroll mountain bike helmet offers complete coverage for enduro, trail and E-MTB use. The lightweight design is E-bike certified, which tests helmets at higher speeds than traditional bike helmet certifications. Zonal Koroyd® and MIPS® impact technology mean that you can focus on the trail. Our VaporFit™ system lets you adjust the helmet on the fly, and the MIPS layer is integrated with the fit system for a snug, cohesive fit that feels great all day. Generous vents with internal air channels keep you cool while climbing and focused on the descent with fog-free lenses. The three-position visor accommodates sunglasses or goggles between laps or when the sun finally drops below the horizon. Product Details: Protection - Complete KOROYD® coverage for lightweight, energy-absorbing, and ventilated impact protection - Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head - Integrated skeletal structure creates a roll cage for added strength and impact protection - NTA8776 E-bike, CPSC, CE EN 1078, and AS/NZS2063 certified Fit / Integration - Designed for ultimate integration with Smith performance eyewear and goggles for maximum comfort, venting, and storage convenience - AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses - VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial Features - 19 fixed vents for consistent airflow - Three-position adjustable visor - Ionic+® antimicrobial lining offers sweat-activated odor control - Lightweight, low-bulk single-layer webbing - Y-strap divider keeps helmet straps flat and close to the face - Front eyewear storage channels - Weight (Size M, Mips®): 14 oz / 400 g

Whether you ride for routine fitness, focused training, or just for fun, the Smith Triad bike helmet has you covered on the road with innovative crash safety features and tunable comfort. The Triad combines the advanced impact protection of MIPS® and zonal Koroyd® with an Aleck Crash Detection Sensor for a new level of safety. Designed directly into the VaporFit™ size-adjustment dial, the crash sensor is purpose-built to register helmet impacts. It connects via Bluetooth to a companion phone app and can send a series of alerts to chosen contacts in the event of a crash. Tunable comfort comes from our VaporFit™ system which lets you adjust the helmet on the fly with the turn of a dial. The MIPS layer is integrated with the fit system for a snug, cohesive fit that feels great all day. Nineteen vents with internal air channels maximize airflow to keep you cool and your glasses fog-free through any level of effort. Little details like integrated sunglasses storage and a low-profile strap divider make a difference in convenience and comfort on the bike.

Ready, set, send. This next generation of our award-winning Smith Forefront mountain bike helmet has your back (and front, and sides) thanks to MIPS and complete Koroyd impact protection. Designed to work with goggles or sunglasses, the helmet vents warm air, eliminating foggy lenses so you'll feel confident even if your line of sight is less than ideal. And when your palms start to sweat right before you drop in, you'll stay cool thanks to a full 20 vents that keep the air flowing. The visor adjusts for easy goggle storage between laps, and you can slide your glasses for secure storage on the front or back. PROTECTION: Complete Koroyd coverage for lightweight, energy-absorbing and ventilated impact protection, MIPS Brain Protection System reduces rotational forces caused by angled impacts to the head, Integrated skeletal structure creates a roll cage for added strength and impact protection FIT / INTEGRATION: VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial, Designed for ultimate integration with Smith performance eyewear and goggles for maximum comfort, venting and storage convenience, AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses FEATURES: 20 fixed vents for consistent airflow, Three-position adjustable visor, Ionic+ antimicrobial lining offers sweat-activated odor control, Lightweight, low-bulk single-layer webbing, Front and rear eyewear storage channels WEIGHT: (Size M, MIPS) 14oz / 380g CERTIFICATION: CPSC,CE EN 1078

Long winding descents and race-day lead-outs, the Smith Trace is all about versatility. Road, gravel or bikepacking, this bike helmet pairs complete KOROYD® with Mips® for protection you can trust if the route gets hairy. And when the day heats up, you'll stay cool thanks to internal air channels with intake and exhaust ports that keep the air flowing. Side channels let you securely stash your sunglasses when you don't need them, and when you do, our AirEvac ventilation system prevents them from fogging up. Protection - Complete KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection - Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head - Integrated skeletal structure creates a roll cage for added strength and impact protection - CPSC and CE EN 1078 certified Fit / Integration - Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience - AirEvac ventilation system integrates with Smith eyewear for fog-free lenses - VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial Features - 18 fixed vents for consistent airflow - Ionic+® antimicrobial lining offers sweat-activated odor control - Lightweight, low-bulk single layer webbing - Weight (Size M, Mips®): 10 oz / 280 g Sizing - Small: 51 – 55cm - Medium: 55 – 59cm – Large: 59 – 62cm

The Shadow Classic Helmet is constructed with a high-impact ABS hard shell with a light EPS core liner for even distribution of force upon impact. - ABS Hardshell construction with light EPS core liner - Includes two sets of padding for a custom fit - CE and CPSE certified - Shadow Crow Head rivets and Classic woven label - X-Small = 46 – 50cm - Small/Medium = 50 – 56cm - Large/X-Large = 56 – 61cm - XX-Large = 61 – 65cm

The FeatherWeight features In-Mold technology to make a custom shape and fit utilizing a thin outer shell that covers and protects high-density EPS foam. - High density EPS in-mold construction - Tested and certified for CPSC and EN 1078 standards for bicycle use - Two sets of padding included for custom fitting - Crow rivets and 10 flow-vents to keep cool - Small/Medium = 50 – 56cm - Large/X-Large = 58 – 61cm

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 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 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 Trek-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. PRODUCT DETAILS - WaveCel advanced helmet technology - Intuitive, one-handed Headmaster fit system makes adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads - Available in XS and XL sizing - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over

A stylish road helmet with WaveCel technology designed for riders who prioritize safety and require a fit designed for a rounder head. - WaveCel advanced helmet technology - 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, and moisture-wicking washable helmet pads - Round fit sizing designed to accommodate rounder head shapes - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership