Great performance, high style, and wonderful comfort - ladies, what more could you want? In helmet, that is. The Giro Atmos Helmet for women is actually quite the opposite of a ladykiller. With its polycarbonate shell and Roll Cage reinforcement, containing an in-mold DuPont nylon liner for added strength, you can feel secure while pedaling your heart out, and the Roc Loc 5 system, which allows for on-the-fly tension and vertical position adjustment with a quick twist of the micro dial, will keep your head cradled in comfort. With its versatile design, the Atmos is a favorite helmet of all types of cyclists. Whether you're commuting, touring, or racing, the 26 Wind Tunnel vents with internal channeling utilize exhaust channels to maintain fresh airflow through the helmet to keep your... Less

Great performance, high style, and wonderful comfort - ladies, what more could you want? In helmet, that is. The Giro Atmos Helmet for women is actually quite the opposite of a ladykiller. With its polycarbonate shell and Roll Cage reinforcement, containing an in-mold DuPont nylon liner for added strength, you can feel secure while pedaling your heart out, and the Roc Loc 5 system, which allows for on-the-fly tension and vertical position adjustment with a quick twist of the micro dial, will keep your head cradled in comfort. With its versatile design, the Atmos is a favorite helmet of all types of cyclists. Whether you're commuting, touring, or racing, the 26 Wind Tunnel vents with internal channeling utilize exhaust channels to maintain fresh airflow through the helmet to keep your... Less

Atmos continues to set the standard for high performance, matchless style, and comfortable fit.

The Giro Atmos continues to guard the bar (it itself raised) by offering the lightest, most comfortable bike helmet around. Atmos , roughly translated from Greek, means air or vapor and upon donning this protective chapeau, you will instantly understand why. The 26 Wind Tunnel vents and the low profile will keep your head so comfy that the Atmos will remain safely off your mind, while resting safely on your head. Roc Loc 5 fit system In-mold-EPS liner, polycarbonate shell In-mold Composite Reinforcement Roll Cage Low Profile Silhouette

The Giro Atmos is a lightweight, speed-oriented biking helmet that protects your head without weighing you down. Strong and durable it also provides unprecedented airflow to your head to keep you cool on those long rides over road or cross-country. The roll cage design guarantees safety even in the hardest falls and the toughest tumbles; don't leave home without the Giro Atmos.

Giro Atmos Road Bicycle Helmet. Get some serious comfort for your head with this low-profile bike Bicycle Helmet. The Atmos fits your head like a Cycling Glove, channels air to prevent sweat buildup and weighs in at a mere 269 grams -- good luck finding all those features for a better price.

The Giro Atmos is a lightweight, speed-oriented biking helmet that protects your head without weighing you down. Strong and durable it also provides unprecedented airflow to your head to keep you cool on those long rides over road or cross-country. The roll cage design guarantees safety even in the hardest falls and the toughest tumbles; don't leave home without the Giro Atmos.

Pull on the Giro Atmos Helmet and hit the road. The Atmos is a low-profile, lightweight, multipurpose helmet that will help protect your skull from injury, whether you land on pavement or dirt. Twenty-six vents and with GiroAAAAAAAAs air-channeling Wind Tunnel Technology keep your melon cool while youAAAAAAAAre grinding out the miles. The all-new RocLoc 5 rear adjustment lets you dial in your fit so the last thing youAAAAAAAAre thinking about is why your helmet keeps sliding to one side.

GIRO Atmos Road Helmet Mat Black/White Crowd Large MSRP $180.99 COLOR:Mat Black/White Crowd SIZES:Large Small 20"-21 3/4" Medium 21 3/4"-23 1/4" Large 23 1/4"-24 3/4" Sizing Help: Measure around crown of head to determine size. Refer to helmet chart for size needed based on measurement taken. SPECIFICATION: Fit System: Roc Loc 5 Construction: In Mold Ventilation: 26 Wind Tunnel Vents, internal channeling Technology: In-mold Carbon Reinforcement, Roll Cage Weight: 9.5 oz (275 g) CONDITION: Brand

The Giro Atmos Road and Racing helmet provides legendary performance, style and comfort - and features the new Roc Loc 5 fit system. After more than ten years of refinement, this ground-breaking fit system provides an entirely unique use experience with an unmatched level of comfort, stability, adjustability and weight savings. With Roc Loc 5, you can easily dial-in both fit tension and adjust vertical position with a single hand. Just twist the dial for a tighter feel on tough terrain, then back it off a notch and relax across the flats or a warm climb. Even with these remarkable features, Roc Loc 5 is still 40-percent lighter than its popular predecessor, Roc Loc 4. Roc Loc 5 systems is: 1) Micro Dial. The heart of the Roc Loc 5 is this ratcheting, micro-adjusting dial. A simple,... Less

Pull on the Giro Atmos Helmet and hit the road. The Atmos is a low-profile, lightweight, multipurpose helmet that will help protect your skull from injury, whether you land on pavement or dirt. Twenty-six vents and with GiroAAAAAAAAs air-channeling Wind Tunnel Technology keep your melon cool while youAAAAAAAAre grinding out the miles. The all-new RocLoc 5 rear adjustment lets you dial in your fit so the last thing youAAAAAAAAre thinking about is why your helmet keeps sliding to one side.

We all love those beanies with pom-poms, but they really don't offer much in the protection department, so check out the sleek, stylish Giro Women's Sheer Helmet for insurance against sudden falls. Designed to protect your head in case of a sudden crash, this hard-body shell with EPS liner keeps you looking good and feeling comfortable while you slash turns down the hill and ski or ride circles around your ski partner.

The Giro Atmos Road and Racing helmet provides legendary performance, style and comfort - and features the new Roc Loc 5 fit system. After more than ten years of refinement, this ground-breaking fit system provides an entirely unique use experience with an unmatched level of comfort, stability, adjustability and weight savings. With Roc Loc 5, you can easily dial-in both fit tension and adjust vertical position with a single hand. Just twist the dial for a tighter feel on tough terrain, then back it off a notch and relax across the flats or a warm climb. Even with these remarkable features, Roc Loc 5 is still 40-percent lighter than its popular predecessor, Roc Loc 4. Roc Loc 5 systems is: 1) Micro Dial. The heart of the Roc Loc 5 is this ratcheting, micro-adjusting dial. A simple,... Less

The Giro Atmos Road and Racing helmet provides legendary performance, style and comfort - and features the new Roc Loc 5 fit system. After more than ten years of refinement, this ground-breaking fit system provides an entirely unique use experience with an unmatched level of comfort, stability, adjustability and weight savings. With Roc Loc 5, you can easily dial-in both fit tension and adjust vertical position with a single hand. Just twist the dial for a tighter feel on tough terrain, then back it off a notch and relax across the flats or a warm climb. Even with these remarkable features, Roc Loc 5 is still 40-percent lighter than its popular predecessor, Roc Loc 4. Roc Loc 5 systems is: 1) Micro Dial. The heart of the Roc Loc 5 is this ratcheting, micro-adjusting dial. A simple,... Less

GIRO Atmos Road Helmet Large MSRP $179.99 COLOR: White/Silver SIZES:Large Small 20"-21 3/4" Medium 21 3/4"-23 1/4" Large 23 1/4"-24 3/4" Sizing Help: Measure around crown of head to determine size. Refer to helmet chart for size needed based on measurement taken. SPECIFICATION: Fit System: Roc Loc 5 Construction: In Mold Ventilation: 26 Wind Tunnel Vents, internal channeling Technology: In-mold Carbon Reinforcement, Roll Cage Weight: 9.5 oz (275 g) CONDITION: Brand New, never used. SHIPPING:Free

The Atmos road bike helmet provides superior technology and is the leading style for riders like Armstrong, Petacchi and Freire. It is the best helmet for speed and the thrill of wide open roads.