Fox Proframe RS Helmet Changing the Game The new Fox Proframe RS Helmet sets a new standard for lightweight breathability and function for a full-face helmet. With next-generation ventilation capability and decreased surface contact area, the Proframe RS elevates what you thought a full-face helmet was capable of. Included MIPS(TM) Integra technology reduces rotational forces during a crash without added bulk, while combining an EPP layer with the EPS layer for further protection. The sleek, race-ready lines of the Proframe RS are complimented by a three-position adjustable visor with goggle compatibility, with an included under-visor Go Pro mount to let you capture all the action. The Proframe RS even features legendary BOA dial technology and replaceable cheek pads for a secure fit. Meanwhile, the Ionic+ anti-microbial inner liner helps to keep things fresh as you push your limits. Learn more about MIPS Technology here Features MIPS(R) Integra Technology combines an EPP layer with the EPS layer for unbeatable reduction in rotational forces during certain types of impacts BOA(R) fit system lets you reliably dial in the perfect fit every time Unrivaled ventilation building on the already ventilated standard Proframe Three-position adjustable visor is goggle-compatible and includes an optional Go Pro mount for below the visor Magnetic Fidlock buckle for quick, easy, and secure strap closure Ionic+ anti-microbial padding for freshness after multiple rides Replaceable cheek pads to help you achieve the perfect snug fit Sizing Size Small Medium Large Head Circumference51 - 55cm55 - 59cm59 - 63cm | Fox Apparel | Proframe Rs Helmet Men's | Size Small In Black