Fox Racing Speedframe Pro Backfade Helmet Pro-level speed and style for all The Fox Speedframe Pro Helmet boasts impressive pro-level features and top-level protection in a highly-ventilated open-face helmet. The Speedframe Pro expertly balances impressive airflow with advanced safety. This includes the incorporation of the Mips(R) Air Node protection system, for rotational impact protection while increasing airflow and decreasing hotspots. The Speedframe Pro uses in-molded EPS to direct airflow throughout the helmet, while spreading impact forces out through a wider surface area. The BOA(R) fit system lets riders adjust the fit of the Speedframe Pro at the twist of a dial, while a four-point adjustable back cradle fits a wide range of riders. The Speedframe Pro even features a FIDLOCK SNAP magnetic buckle, for easy closure even while wearing gloves. The Fox Speedframe Pro is a pro-level helmet that gives every rider the top-level protection they need. Features Earned a 5-star rating (and #2 overall ranking) from the Virginia Tech Bicycle Helmet Ratings Program one of the most in-depth rating systems available for bike helmet safety MIPS(R) Air Node Technology significantly reduces rotational forces during certain crashes, without restricting cooling airflow Fidlock Snap closure for an easy, secure magnetic closure even while wearing gloves BOA(R) Fit System and a four-position adjustable back cradle lets riders quickly and accurately dial in the perfect fit, every time In-molded EPS construction is optimized to channel airflow throughout the helmet, while spreading out impact forces for increased safety Sunglass-specific storage gives riders a secure spot for their shades on those extended climbs SPECIFICATIONSCore Material EPSClosure system Fidlock SNAP buckle Protection Features MIPS(R) Air Node Technology Intended Use Trail, All Mountain Sizing Size Small Medium Large Head Circumference (in)20. 1 - 21. 7"21. 7 - 23. 2"23. 2 - 24. 8"Head Circumference (cm)51 - 55cm55 - 59cm59 - 63cm | Fox Apparel | Speedframe Pro Backfade Helmet Men's | Size Small In Black