7 iDP Project 23 ABS MTB Mountain Bike Full Face Vented Bicycle HelmetThe Dirt: Lightweight, superior airflow full face protection bike helmet for taking on the clock or days in the park. Just 850g for Size Large. Protection: ABS shell offers shock absorbency and incredible value for the money. Well padded for comfort and safety. Injection molded branded trim. Meets CE, CPSC, AS, ASTM F1952 15 standards Venting: 23 big bore vents for the most ventilated full face hard shell helmet on the market Visor: Easy position