The Proframe Rizer remains the benchmark full-face trail helmet, designed specifically for all-mountain and enduro demands. Its lightweight construction integrates Mips® impact protection without sacrificing breathability, while enhanced ventilation channels manage heat during sustained descents. Purpose-built for riders who demand comprehensive protection without compromise, the proven choice for serious trail exploration. Features: Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain 3-position adjustable visor compatible with goggles Removable under visor GoPro mount included Increased ventilation and decreased surface contact area improve cooling Includes additional pad set to optimize fit Meets the ASTM-F1952 Downhill MTB certification standard Size Guide Size Head Size Cheek Pads Hat Size Weight Y 48-52 cm 20/30 mm (installed);30/40 mm (included) 15.3-16.6 cm 680±50 g S 51-55 cm 20/30 mm (installed);30/40 mm (included) 16.2-17.5 cm 720±50 g M 55-59 cm 20/30 mm (installed);30/40 mm (included) 17.5-18.8 cm 790±50 g L 59-63 cm 20/30 mm (installed);30/40 mm (included) 18.8-20.1 cm 920±50 g