GambitRedefine 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. For helmets sold in the U. S. and Canada: Complies with U. S. CPSC Safety Standard for Bicycle