Stealth Carbon Fiber F117 Helmet with Quick Release Buckle (Black, XX-Small) Aerodynamically designed with a tighter opening that sits closer to your body to minimize wind buffeting Lightweight Carbon Fiber shell that is DOT FMVSS 218 and ECE 22.05 certified; Helmet comes standard with quick release chin strap and plush comfort tech liner 3-Stage top vents, an adjustable mouth vent and rear exhaust port vents combined with a channeled interior maximize air flow A simply operated, uniquely designed positive drop down shield mechanism ensures there will never be any unintentional deployment of the DDS All Stealth products are backed by 5 year manufacturer defect warranty; the warranty excludes normal wear and tear, any end-user modification, improper use or abuse, and/or crash damage