For trail riding you want a helmet that performs in a variety of situations. Ventilation for the climbs, light weight for comfort, and durability for everyday use. The Crossride excels in all these areas and looks the part, too. Full rear coverage of the head gives it added protection, and 18 air vents along with the Crossride Fit pad keep you cool and comfortable. It also comes with the same Ergo Hold SL retention system found on MAVIC's premium helmets that you can adjust with one hand. It's everything you need to head out on the trail in comfort and style. Features: - The superlight retention system offers optimal adjustability, comfort and head hold. - Built with extended rear coverage for maximum head protection. - Crossride padding system delivers long-lasting comfort, with 37.5(R) padding fabric that uses active particles to absorb heat from your head and wick sweat away five times faster - 18 vents offer head-cooling ventilation. - Ergo Hold SL Retention System - Ponytail compatible - Reflective highlights - EN1078:2012 + Al:2012 certified Size information: - S: 20 - 22" - M: 21.25 - 23.25" - L: 22.5 - 24"