Adults

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.

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

An all-around, road racing helmet that is light, cool, fast, and features the added protection of Mips. Light is fast. Fast is cool. Velocis Mips is now lighter, cooler, and faster than ever thanks to insight and feedback from Trek-Segafredo. And with a full suite of pro-level features, this helmet is bound for the podium. Velocis is designed with protection front and center. This helmet earned a Virginia Tech 5-STAR safety rating and features a Mips Air safety system. Product details: - Trek's lightest road helmet is now even lighter, saving grams and providing more comfort - Improved ventilation and channeling keeps you cooler and moves you faster - The Mips Air system is light, cool, and designed to improve comfort and protection - The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit - Rubberized sunglasses docking port provides secure and easy-to-use storage - Beveled front edge improves field of view while riding in the drops and on the hoods - 5-STAR Virginia Tech safety rating - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Trek Velocis Mips – Light, fast, cool Designed to meet the everyday demands of Trek-Segafredo, Velocis is a versatile helmet that excels anywhere you ride. It’s lighter, cooler, and faster than ever before and, with added tech like the Mips Air safety system, a customizable BOA® fit system, and secure sunglasses storage, you’ll be ready for an epic day in the mountains or chasing local KOMs.

- 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

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.

Weighing in at 235 grams, the G1 MIPS is the lightest helmet we have ever made. It is the climbers’ favorite on the ProTour. Not only is it a featherweight, but it’s extremely well ventilated. Twenty-two vents and internal air channels create 8% more airflow over the head than wearing no helmet at all. It’s also comfortable—vital for long days in the saddle. The Super Lightweight ARS Fit System ensures a snug and comfortable fit with no pressure points. The head basket is adjustable. Two sets of pads are included so you can choose between superlight and comfort pads. Awarded the esteemed Virginia Tech 5-Star “Best Available” protection rating, you can trust that the G1 MIPS is a great choice. The MIPS system helps reduce the risk of rotational injury. When you’re after every bit of speed, the addition of the Aeroshell (sold separately) transforms the G1 MIPS into an aero helmet. - Lightweight - Well ventilated (22 vents) - Advanced Rollsys system - Comes with race and comfort pads - Lazer Aeroshell compatible (sold separately) - UCI World Tour helmet - MIPS layer - Construction: In-Mold, EPS foam, polycarbonate, nylon - Weight: 235g - Certification: CPSC

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.