For mountain bikers looking for a stylish, great fitting helmet, look no further than the Engage. 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 of 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.ProtectionLightweight in-mold construction,MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head,CPSC and CE EN 1078 certified.Fit / IntegrationDesigned 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.Features20 fixed vents for consistent airflow,Sweat-wicking liner insulates and fights odors,Lightweight, low-bulk single layer webbing,Two position adjustable visor,Weight (Size M, MIPS®): 12 oz / 350 g.