Look no further than the Engage for mountain bikers looking for a stylish, great-fitting helmet. Coverage is extended on the back of the head for additional protection and the 21 vents will keep riders cool on hot days. The Engage features the secure custom fit of Smith’s VaporFit™ system while the AirEvac™ channels promote airflow to prevent fogging your eyewear. The Engage also features channels on the front of the helmet for eyewear storage and a three-position visor that rotates high to allow for goggle storage. FEATURES FEATURES: Lightweight in-mold construction MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head CPSC and CE EN 1078 certified 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 VaporFit™ dial adjustment system offers 270-degree fit adjustment with the turn of a dial Performance comfort lining Lightweight, low-bulk single-layer webbing Two-position adjustable visor Weight (Size M, MIPS®): 12 oz / 350 g Complies with U.S. CPSC Safety Standard for bicycle helmets for persons aged 5 and older.