Big berms, rock gardens or flowy rollers. No matter the trail, get after it with confidence in the Smith Engage mountain bike helmet. Zonal KOROYD™ complements Mips® for energy-absorbing impact protection in the event of a crash. A dial adjustable fit and extended back coverage provide a locked-in feel. On hot days or exposed climbs, 21 fixed vents and our AirEvac ventilation system keep you cool and comfortable. Channels on the front make it easy to stow eyewear and a two-position visor rotates up for on-the-go goggle storage. Protection Lightweight in-mold construction, Zonal KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older as well as CE EN 1078 Fit / Integration Adjustable dial fit system for a customized fit Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience AirEvac ventilation system integrates with Smith eyewear for fog-free lenses Features 21 fixed vents for consistent airflow Performance comfort lining Lightweight, low-bulk single layer webbing Two position adjustable visor Weight (Size M, Mips®): 12 oz / 350 g Size Guide Size Head Circumference XS 48-52cm S 51-55cm M 55-59cm L 59-62cm XL 61-65cm YOUTH BIKE HELMETS Size Head Circumference Youth S 48-52cm
