The Proframe RS Diffuse Helmet takes the lightweight breathability of the Proframe and elevates it to the next level of safety and performance. Featuring the all-new Mips® Integra Split protection system, which combines a dual-density foam - for high and low-speed impacts - and a Low Friction Layer between the two layers designed to reduce rotational forces in a crash that would otherwise be transmitted to the brain. The BOA® Fit System allows for a precise and adjustable fit in the pro-level, downhill-certified helmet. Key Features:BOA® fit system for class leading fit and security Mips® Integra Split impact protection system combines an EPP liner with the EPS layer and is designed to reduce rotational forces in a crash 3-position adjustable visor compatible with goggles Removable under visor GoPro mount included Increased ventilation and decreased surface contact area improves cooling Ionic+ antimicrobial liner and cheek pads to optimize fit FIDLOCK magnetic closure Meets the ASTMF