Men's gray Smith Mission Matte Charcoal helmet in a sleek, elegant design with lightweight In-Mold construction with ventilation holes. Once you put on your Smith helmet, you'll find that you won't find a more functional helmet. Material: Plastic Specifications: - Lightweight In-Mold construction - Aerocore construction equipped with Koroyd Shock Absorbing System - 14 air vents - Wheel adjustable at rear - Shaped detachable ears - Weight only 450 grams - Certification: ASTM F 2040, CE EN 1077: 2007 B - Possibility to connect an outdoor Tech audio system that is not included