Essential protection and open-face performance The Speedframe Helmet has premium features usually found only on much more expensive helmets. A Mips® liner designed to reduce rotational motion and redirect forces away from your brain should you crash, a goggle-compatible 3-position visor, and our 360° Fit System makes the Speedframe one of the best values in open-face mountain bike helmets. Add in the legendary aggressive Fox design DNA, and you have one of the most shred-ready mountain bike helmets on the market today. 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 Optimized venting with channeled, in-molded EPS provides efficient cooling Goggle compatible, 3-position adjustable visor Removable, washable moisture-wicking liner 360° Fit System allows you to dial in your perfect fit, every ride 31147-435-S 31147-435-M 31147-435-L