The Speedframe Pro Helmet has earned Virginia Tech?s best rating (5 STARS) in its Bicycle Helmet Ratings program. Designed with input from our pro mountain bike athletes, this top-tier open-face mountain bike helmet offers a market-leading feature set including MIPS?, an easily adjustable multi-position visor, and a 360-degree fit system. The pro version is equipped with a Varizorb? dual-density EPS liner, Fidlock? SNAP helmet buckle, and an XT2? antimicrobial comfort liner.