The Smith Descend Helmet packs the latest impact protection into a lightweight, low-profile design that lets you focus on riding more and fussing with your gear less. It combines Mips(R) and zonal Koroyd(R) for enhanced energy absorption in the event of a crash. From cold and stormy to warm and sunny, adjustable vents let you dial in the climate control to match the day. Audio-compatible ear pads help keep you connected, and our adjustable dial fit lets you fine-tune the fit and feel on the fly with one hand. FEATURES: Protection: Lightweight in-mold shell with EPS foam; Zonal Koroyd(R) impact protection; Mips(R) system; Meets ASTM F 2040, CE EN 1077:2007 Class B, GB standards Fit: Micro-adjustable dial system; Round Contour Fit option for rounder head shapes Integration: Seamless fit with Smith goggles; AirEvac(TM) system for fog-free lenses Features: One-handed Regulator vent control; Removable ear pads compatible with audio chips; Aleck(R) audio-ready Included: Smith helmet bag ADDITIONAL DETAILS: