Hybrid shell construction blends a durable exterior with a lightweight in-molded shell for durability where you need it most while keeping the helmet light 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 Select colorways offered without Mips® system Certification: ASTM F 2040, CE EN 1077:2007 CLASS B, CPSC, CE EN1078

Fit / Integration Designed for ultimate integration with Smith goggles for maximum comfort and venting AirEvac ventilation system integrates with Smith goggles for fog-free lenses BOA® 360 Fit System offers the most adjustable fit with the turn of a dial for on-the-fly micro-adjustability Available in Round Contour Fit to better match rounder head shapes

Features Dual regulator climate control offers easy, one-handed front and rear vent adjustment 21 vents Removable Snapfit SL2 ear pads add warmth and are audio-chip compatible XT2® antimicrobial lining offers sweat-activated odor control Aleck® audio systems compatible Weight (Size M): 18oz / 500g