Created with an all-new head form for a more universal fit and the super-slim Mips Air Node® integrated rotational impact protection system, the third-generation Rail is our most comfortable and lightweight trail helmet yet. Boasting a five-star safety rating from the world-renowned Virginia Tech Helmet Safety lab, the Rail also features an accessible, four-position, snap-in height adjustment system, increased ventilation, and supple, lightweight straps with a handy Fidlock® buckle. Comfort, confidence and zero distractionsso you can focus on charging descents while staying cool on tough climbs.Key Features:Designed with a new, rounder head form for a more universal fitFully integrated, super-slim Mips Air Node® liner combines maximum rotational impact protection with ultra-lightweight comfortIn-molded upper, sub and lower PC shells for optimal protective structureOptimized low and high EPS densityFive-star safety rating from the Virginia Tech Helmet Safety Lab.Easy to adjust, dual-ar