The Specialized Gambit Full Face MTB Cycling Helmet will redefine Your Comfort Zone. To make a DH-certified full face with the ventilation and fit of a half shell, our development team took a fully integrated approach when creating the Gambit. Every component was engineered utilizing a comprehensive approach resulting in truly breakthrough performance where the Gambit delivers more than the sum of its parts.Key Features:  Combines a lightweight carbon fiber shell, structurally specific polycarbonate backing, and five optimized pieces of targeted density foam (patent pending) for reduced weight, optimized fit, and increased ventilation. ASTM DH (1952) certified.Tune a more precise, personalized fit thanks to Gambits adjustable Integrated Fit System that accommodates variations in head shape and occipital base.Occipital base adjustment personalizes fit for comfort and allows you to tune helmet angle to ensure that your helmet and eyewear stay perfectly synched.4-position adjustable chee