* Weight: 18 oz / 500 g

Protection:
* 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 EN 1078

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
* Includes Smith helmet bag

Sizing:
* Small: 51 - 55 cm / 20 - 21.6 in
* Medium: 55 - 59 cm / 21.6 - 23.2 in
* Large: 59 - 63 cm / 23.2 - 24.8 in
* Extra Large: 63 - 67 cm / 24.8 - 26.3 in