Adults

Anywhere, any day. A true go-anywhere helmet with a low-profile lightweight design, extra rear coverage, and a mini visor for a relaxed, modern look for all rides. Where it thrives: Gravel roads, the open road, up and down hills What it's built for: Comfort, durability Highlights: - MIPS equipped and extra rear coverage for increased protection - 23 air vents / one-piece visor - One-handed adjustment for easy fitting

Ready for the trail. Designed for the fast descents and long technical climbs. This is the perfect helmet for committed trail riders and those wanting to explore beyond the beaten path. Where it thrives: Challenging trails, out in the elements What it's built for: Durability, comfort Highlights: - 13 air vents - Deep rear coverage - Adjustable angle visor

The trails are calling. An off-road, all-purpose helmet, with sixteen air-vents for comfort and a lightweight design, perfect for every trail and adventure. Where it thrives: Challenging trails, up and down hills What it's built for: Comfort, durability Highlights: - Extra rear coverage reflective logos - 16 air vents / one-piece visor - One-handed adjustment for easy fitting

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

Whether your rides are short and sweet or epic adventures, the Interval Sport has got you covered. It features Trek's QuickFit strap and ZipTite 2 fit system, plus it has Hard Cote InMold construction for a superb fit and top-notch safety. And you'll love the 19 large vents that keep you cool. It also sports a snap-on visor and washable wicking mesh fit pads.

Whether your rides are short and sweet or epic adventures, the Interval Sport has got you covered. It features Trek's QuickFit strap and ZipTite 2 fit system, plus it has Hard Cote InMold construction for a superb fit and top-notch safety. And you'll love the 19 large vents that keep you cool. It also sports a snap-on visor and washable wicking mesh fit pads.

The Interval WSD Sport offers superb protection and sporty styling! Its women's-specific sizing and 19 vents offer superb, cool comfort, and Trek's ZipTite 2 fit system and QuickFit strap system guarantee a perfect fit for maximum safety. Plus, it comes with a removable, snap-on visor.

Whether your rides are short and sweet or epic adventures, the Interval XL Sport has got you covered. It features Trek's QuickFit strap system and ZipTite 2 fit system, plus it's got 19 vents for maximum comfort and safety. It also sports a removable snap-on visor, and washable wicking mesh fit pads.

Trek's Sonic Elite WSD has Trek's ZipTite 2 fit system and QuickFit straps plus a whopping 24 vents for a custom fit and feel with top comfort. It's also so light you barely know you have it on and it boasts Trek's Hard Cote InMold construction for top-notch protection and durability.

Trek's Vapor offers the protection you need in a stylish and comfortable package. It features tough InMold construction for safety and durability, 24 vents for comfort and Trek's ZipTite Universal system for a custom fit you'll love. Plus, it sports a removable, snap-on visor, too.

Trek's Vapor WSD offers the protection you need in a chic and comfortable package. It features tough InMold construction for safety and durability, 24 vents for comfort and Trek's ZipTite Universal system for a custom fit you'll love. Plus, it sports a removable, snap-on visor, too.

- Lightweight and economical polycarbonate shell - Large vents provide cold air intake and heat exhaust - Large eyeport for increased field of view and better accommodation of goggles - Complies with cpsc, Ce:1078, As/Nzs 5063 standards - Small = 21.125 - 22 inches - Medium = 22.5 - 22.875 inches - Large = 23.25 = 23.625 inches - X-Large = 24 - 24.5 inches

Giro's Advantage 2 was honed to perfection in the heat of elite competition. It’s an amazingly sleek ProTour-proven time trial helmet with all the protection of your everyday-riding lid so you’ll be confident to shave precious seconds, or even more, off your personal best! Plus, it does it all with the awesome fit of Giro's Roc Loc 4 fit system and weighs an amazingly svelte 11 ounces.

Giro's Advantage 2 was honed to perfection in the heat of elite competition. It’s an amazingly sleek ProTour-tested time trial helmet with all the protection of your everyday-riding lid so you’ll be confident to shave precious seconds off your personal best! Plus, it does it all with the awesome fit of Giro's Roc Loc 4 fit system and weighs an amazingly svelte 11 ounces.

Big heads need big protection too, so Giro brings you their Atlas II. It boasts all the top-notch features you've come to expect from Giro, such as their lightweight, durable In-mold construction, 18 airy vents to channel the breeze over your head and a snap-on visor to keep away glare. Plus, it uses Giro's excellent Acu Dial fit system for maximum comfort.

From the ProTour to local group rides, Giro's Atmos is a favorite of roadies everywhere. It's crafted with a whopping 26 vents and Wind Tunnel technology to pull cool air in and blow hot air out, a vital function for racing's extreme efforts. In addition to being light and airy, the Atmos is super durable thanks to Giro's Roll Cage and carbon-reinforcement technologies that protect your head when you need it most. Plus, it boasts Giro's Roc Loc 5 retention system for a perfect fit.

Giro's Flak is a no-nonsense skate-style helmet that offers full protection on the bike. It provides great coverage, doesn't get in your way and features street-tough good looks. The high-impact ABS shell is the insurance you need for tricks, tough trails and dirt jumping. Plus, 13 vents keep you cool on hot days.

Giro's Hex combines a muscular, progressive style with the versatility, function and integrity you want for trail riding. The In-mold construction offers solid protection and 21 vents keep you cool no matter how hot the weather or the ride is. The P.O.V. adjustable visor keeps the sun out of your eyes so you can concentrate on the trail. Plus, the Roc Loc 4 retention feature ensures the Hex secure on gnarly descents and rocky, technical stretches.

High safety and sleek style come together in Giro's Indicator. You'll turn heads while keeping yours safe with its light and comfortable design. This svelte lid boasts 20 vents so you'll keep your cool even on hot rides. The In-mold shell is as protective as it is beautiful, too. And, Giro's Acu Dial fit system is so comfortable you may never want to take this helmet off.

High safety and sleek style come together in Giro's Indicator. You'll turn heads while keeping yours safe with its light and comfortable design. This svelte lid also boasts 20 vents so you'll keep your cool even on hot rides, and the In-Mold shell is super-sturdy and protective, too. Plus, Giro's Acu Dial fit system is so comfortable you may never want to take this helmet off.

High safety and sleek style come together in Giro's Indicator. You'll turn heads while keeping yours safe with its light and comfortable design. This svelte lid boasts 20 vents so you'll keep your cool even on hot rides, and the In-mold shell technology is super-sturdy and protective, too. Plus, Giro's Acu Dial fit system is so comfortable you may never want to take this helmet off.

High safety and sleek style come together in Giro's Indicator. You'll turn heads while keeping yours safe with its light and comfortable design. This svelte lid boasts 20 vents so you'll keep your cool even on hot rides, and the In-mold shell technology is super-sturdy and protective. Plus, Giro's Acu Dial fit system is so comfortable you may never want to take this helmet off.

Sleek race-inspired styling, rugged construction, outstanding safety and a trusted Giro fit. That's Giro's Saros: a great road helmet from the company that defined the term. This svelte lid boasts safe, durable In-Mold construction with 23 Wind Tunnel vents so you'll keep cool on group rides, centuries, even races. Plus, it sports Giro's Roc Loc 5 fit system that feels so nice you might forget you're even wearing a helmet.

Sleek race-inspired styling, rugged construction, top safety, and a trusted Giro fit. That's Giro's Saros: a great road helmet from the company that defined the term. This svelte lid boasts safe and durable In-mold construction with 19 vents so you'll keep cool on group rides, centuries, even races. Plus, it sports Giro's Roc Loc 4 fit system that feels so nice you might forget you're even wearing a helmet.

Giro takes skate-style skid lids to the next level with the Section. This dirt jumping helmet gives you full coverage while keeping a low-profile shape and an enviable weight. Giro's In-Mold construction fuses the outer shell with the impact-absorbing EPS liner for superior strength and durability. And, the front of the helmet is optimized to work with sunglasses and goggles.

Giro's Skyla is a fun helmet made just for women. Its strong In-Mold construction, visor and 20 wide vents provide awesome safety, glare reduction and ventilation. Plus it's supremely comfortable on road or off. It also sports Giro's Acu Dial system that lets you dial in the perfect fit, and it's even ponytail compatible!

Giro's Stylus is a stylish lid that fits great. Giro's Acu Dial 2 fit system lets you find a custom fit and feel with a simple one-hand adjustment. The impressive 26 vents keep the air moving so you stay comfortable. And, Giro's In-mold construction delivers top-notch safety and durability.

Giro's Stylus is a smooth lid with a great fit. Giro's Acu Dial 2 fit system lets you get the perfect fit with a simple one-hand adjustment. The impressive 26 vents keep the air moving over your head so you stay comfortable. And, the In-mold construction delivers top-notch safety.

Giro's Transfer's rugged safety, sculpted ventilation and hip styling make it ideal for all your rides. Starting with its lightweight, protective In-Mold technology, Giro crafts the Transfer with 20 cooling vents and their great-fitting Acu Dial retention system. The clean lines and easy-to-use features are elegant, thoughtful touches that offer everything you need, and a little more than you expect.

Giro's Transfer is a great helmet for all your rides and it won't break the bank. It boasts Giro's lightweight, protective In-Mold technology, 20 vents to keep you dry and comfortable and Giro's Acu Dial fitting system for a great fit and feel.