With a new head form that provides a better fit for more riders, the redesigned Roost features trusted Mipsprotection, a precise three-position rear-height adjustable fit system, increased ventilation, and modern styling. Certified five-star by the world-renowned Virginia Tech Helmet Safety Lab, Roost is a lightweight go-to helmet for charging the toughest trails.Featureso An all-new, rounder head form offers a more universal fito Mips rotational impact protection systemo In-molded upper and lower PC shells for an optimal protective structure at a lightweighto Optimized low and high EPS densityo Five-star safety rating from the Virginia Tech Helmet Safety Labo Easily accessible dual-arm, snap-on, three position rear height adjustmento 12 oversized vents for maximum head-cooling airflowo Supple and lightweight strap systemo Three-position adjustable visor