The Fox Proframe is a lightweight, full-face helmet designed for all-mountain riders and enduro racers. It combines downhill-certified protection with open-face level breathability. Weighing around 750 grams (for a size medium), it is engineered to be cool enough for long climbs and secure enough for aggressive descents. Key Features & Technology Patented Integrated Chin Bar: Instead of a removable mechanism, the Proframe features a fixed, fully integrated chin bar that is ASTM downhill-certified for maximum structural integrity and peace of mind. Exceptional Ventilation: It utilizes 24 "Big Bore" vents (15 intake, 9 exhaust) to channel air directly over your head, delivering open-face breathability on tough uphill grinds. MIPS® Impact Protection: Equipped with the proven multi-directional impact protection system to reduce rotational forces transmitted to the brain during angled impacts. Varizorb™ EPS Liner: Combines dual-density foam to spread impact forces over a wider area, offering improved protection against both high-speed and low-speed crashes. Fidlock® SNAP Buckle: Allows for extremely quick, glove-friendly entry and exit. Moisture-Wicking Liner: Features antimicrobial properties to manage sweat and keep the interior fresh during long rides. Specifications Intended Use: All-Mountain, Enduro, and aggressive Trail riding Weight: ~750g (Size Medium) Visor: Fixed visor, precisely angled to direct fresh air directly into the intake vents Certifications: ASTM F1952 (Downhill), CPSC, EN 1078, AS/NZ 2063