Proframe RS Mash Helmet

Lightweight, next-level full-face helmet

The Proframe RS Mash Helmet takes the lightweight breathability of the Proframe and takes 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.

Designed to meet the needs of all-mountain riders and enduro racers, the increased ventilation and decreased surface contact of the helmet keep you cool on long rides, while the Ionic+ and anti-microbial liner and multi-sized cheek pads provide optimized comfort and fit. The updated BOA® Fit System offers micro-adjustability providing class-leading fit and security. The chinstrap utilizes a FIDLOCK magnetic closure system for easy-open and close, even with gloves.

The 3-position adjustable visor with lock down screw is compatible with goggles. Those looking to capture every sweet run will appreciate the removable, under-visor GoPro mount on the Fox Proframe RS mountain bike helmet.

• BOA® Fit System for class-leading fit and security
• Equipped with Mips® Integra Split low friction layer
• Dual density foam for high and low speed impacts
• 3-position adjustable visor compatible with goggles
• Removable under-visor GoPro mount included
• Increased ventilation and decreased surface contact area for improve cooling
• Ionic+ anti-microbial liner to reduce odor
• Multi-sized cheek pads to optimize fit
• FIDLOCK magnetic closure system on chin strap
• Weight: 820 g (size medium)

Certifications

• ASTM F1952 - DH Certified
• ASTM F2032
• EN 1078:2012 + A1:2012
• AS/NZ 2063-2020
• CPSC 1203

• Sizes: small, medium, and large (see size guide for measurements)

• BOA® dial: 52 micro adjustments - counterclockwise to loosen, clockwise to tighten - allows for a precisely dialed fit. Adjust while wearing the helmet.
• Back cradle: four points of adjustment move the cradle up or down your head to ensure the best fit possible.
• Cheek pads: two set of cheek pads are included with the helmet - a preinstalled thin pad set and an optional thick pad set for a more snug fit.

For care instructions, see our Helmet Care Guide

Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel

Materials: EPS, PC, PA, EPP, polyester