Fox Proframe Helmet Solid (2026)

Lightweight, downhill-certified, full face helmet

Conquer the mountain with this full-face protection specialist. The Proframe Frequency Helmet is the original full-face trail helmet and is still the market leader. Designed to meet the needs of all-mountain riders and enduro racers, it packs Mips® technology into a superlight shell, and features increased ventilation to keep you cooler as you rip down the trail.

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
• Materials: 27% ABS, 26% EPS, 20% polycarbonate, 16% polyurethane, 11% Pa

SIZING

Size	Head Size	Cheek Pads	Hat Size	Weight
YOUTH	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