Summit Mips Low Profile Helmet - The first triple-certified helmet, designed to meet global alpine skiing certifications and international mountaineering standards. Zonal Koroyd® and MIPS® impact protection absorbs energy in the event of a fall. The Smith Flexible Fit System with BOA® offers a micro-adjustable fit. * certifications: ASTM F 2040, CE EN 1077: 2007 CLASS B, EN 12492 * weight: 400g * cutting-edge design * hybrid shell construction combines a durable exterior with a lightweight molded shell for durability where you need it most while keeping the helmet light * Zonal Koroyd® coverage for lightweight, energy-absorbing, ventilated impact protection * MIPS® Brain Protection System reduces rotational forces from oblique impacts to the head * AirEvac ventilation system integrates with Smith goggles for fog-free lenses * designed for maximum integration with Smith goggles for maximum comfort and ventilation * adjustable Boa® Fit system with flexible yoke * 33 fixed vents * lightweight inner removable liner * Ionic+® antimicrobial lining offers sweat-activated odor control * external bungee loops offer secure attachment to the outside of the pack * integrated sidewalls for firm headlamp strap attachment * the helmet includes a cloth bag with the brand logo * ski, SNB helmet, mountaineering, ski mountaineering