Features: Durable, lightweight mountain bike helmet designed for trail riding 13 fixed vents provide consistent airflow on climbs and descents Performance comfort lining for all-day wear Lightweight, low-bulk single-layer webbing Fixed visor for added trail protection Side channels allow secure eyewear storage between laps Technology: Lightweight in-mold construction for durability and reduced weight Mips Brain Protection System helps reduce rotational forces from angled impacts Adjustable dial fit system for quick, precise customization Designed for seamless integration with Smith performance eyewear for comfort, venting, and storage SPECS: Safety standards: U.S. CPSC (Age 5+), CE EN 1078, AS/NZ2063 Ventilation: 13 fixed vents Weight (Size M, Mips): 13 oz / 370 g Construction: In-mold shell with Mips liner Fit system: Adjustable dial Visor: Fixed