The Smith Descend Helmet packs advanced impact protection into a lightweight, low-profile design so you can focus on the ride. Combining Mips(R) and zonal Koroyd(R) for enhanced energy absorption, it's built for confidence in any condition. Adjustable vents let you fine-tune airflow, while audio-compatible ear pads and a dial fit system ensure all-day comfort and connectivity. FEATURES: Protection - lightweight in-mold construction with zonal Koroyd(R) for ventilated impact protection; Mips(R) system available on select colorways; meets ASTM F 2040, CE EN 1077:2007 CLASS B, GB Standards Fit - Smith micro-adjustable dial fit system; available in Round Contour Fit for rounder head shapes Integration - designed for seamless integration with Smith goggles; AirEvac(TM) system prevents fogging Features - Regulator climate control for one-handed vent adjustment; removable Snapfit SL2 ear pads are audio compatible; Aleck(R) audio systems compatible Included - Smith helmet bag ADDITIONAL DETAILS: