G-Max GM68S Helmet , Color: Max Dk/Silver/White, Size: Lg 668546 TC-19 19 Vents for state of the art venting (9 intake and 10 exhaust) High airflow top intake vents feature larger controls for easy use with gloved hands Interior designed to assist shell and styro venting by not blocking the vent holes and channels Lightweight, multiple shells and styros for GMAX premium fit and maximum comfort D.O.T. Approved, lightweight thermoplastic poly alloy shell