The Ventura Formula 1 Bike Helmet features a cool, speedy design to keep you looking cool while you stay safe! This durable bicycle helmet includes a durable outer microshell for protection and a fly net with a stick on visor to help you deal with the elements. A universal ring adjustment system ensures a tight fit. The 11 holes allow for better air circulation to keep you comfortable. The Formula 1 features a red and white design with a checkered flag print. It is available in medium or large sizes.