The Speedframe Pro Blocked Helmet from Fox earned Virginia Tech’s best rating, of 5 stars, in its Bicycle Helmet Ratings program. This top-tier open-face mountain bike helmet, designed with input from pro mountain bike athletes, offers a market-leading feature set including MIPS, an easily adjustable multi-position visor, and a 360° Fit System. The pro version has a Varizorb dual-density EPS liner, a FIDLOCK SNAP helmet buckle, and an XT2 antimicrobial comfort liner. Proven MIPS impact protection system reduces rotational forces in a crash FIDLOCK SNAP helmet buckle provides quick and secure entry and exit while wearing gloves Removable, washable XT2 liner is antimicrobial and manages odor while wicking moisture away from the head Optimized venting with channeled, in-molded EPS provides efficient cooling 360° Fit System allows you to dial in your perfect fit every ride Summer 2024 product Equipped With Varizorb EPS Varizorb dual-density EPS liners are meant to provide improved impact protection by spreading the forces of impact across a wider surface area. Ionic+ Ionic+ antimicrobial technology offers performance advantages while riding by wicking away moisture. The liner foam uses natural antimicrobial science to fight microbes on soft surfaces. Noble developed Ionic+ technology to inhibit and eliminate the growth of microbes on soft surfaces. Ionic+ products offer the best technology for lasting protection and sustainable solutions. XT2 XT2 utilizes the properties of silver to crush odor by inhibiting the growth of odor-causing bacteria and fungi. Multi-directional Impact Protection System (MIPS) MIPS Brain Protection System is a helmet-integrated, low-friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head. Illustrations explaining BPS from MIPS Brain Protection System on Vimeo .