In 1985, the original Giro Prolight helmet set the standard for modern lightweight cycling helmets. Now, 26 years later, the new Prolight redefines a new generation of ultra lightweight helmets. After an exhaustive, ground-up design and engineering process, we’re confident that our new Prolight is the lightest game in town. And it’s remarkably well ventilated and comfortable too—a labyrinth of optimized internal channels allows the helmet to exhale hot, stale air. And by utilizing Italian made, featherweight webbing along with our new, minimal Roc Loc SL fit system, you’ll have to remind yourself that you’ve got a helmet on at all. The Prolight is a superb reminder that simplicity doesn’t have to sacrifice performance.
Free UK delivery on all Giro cycle helmets.
The Giro Prolight cycle helmet features the following key Giro helmet technologies:

Giro helmets are developed utilizing Giro proprietary Wind Tunnel™ ventilation system, which combines active vents with internal exhaust channels that thrust cool, fresh air over and around the riders head-while forcing heat and stale air out. This significant increase in air channeling makes a difference that riders will immediately feel and appreciate.

Our in-mold construction process fuses the helmet’s outer shell with its impact-absorbing EPS liner during the molding process, making the liner literally a part of the helmet. This fusion process reinforces areas around vents and ribs, creating a one-piece ‘exoskeleton’ that allows the helmet to be lighter, more durable, and better ventilated than traditional designs.

In addition to being very comfortable, Giro X-Static pads provide anti-microbial properties to help keep your helmet fresher, longer. The pads are also machine washable.
The Giro Prolight helmet features the latest Giro fitting system:

Minimal, simple, incredibly comfortable. With one quick adjustment of the webbing system, our new Roc Loc SL self-adjusts to provide a comfortable, secure fit. We’ve also spec’d supple, Italian-made, featherweight webbing material for maximum comfort. Roc Loc SL is found exclusively in our new Prolight race helmet.

A great helmet is so comfortable that once it’s on, it virtually disappears. Our proprietary three-size Super Fit system is based on “human scale factors” data and over 20 years of crafting helmets for the best bike riders in the world. The result is pure Skull Hugging Luxury™, a helmet that fits 98% of the world’s population, yet looks (and fits) like it was custom made just for you.
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