The Proframe RS Helmet takes the lightweight breathability of the Proframe and takes it to the next level of safety and performance. Featuring the all-new Mips® Integra Split protection system, which combines a dual density foam - for high and low speed impacts - and a low friction layer between the two layers designed to reduce rotational forces in a crash that would otherwise be transmitted to the brain. Mips Integra Split impact protection system combines an EPP liner with the EPS layer and is designed to reduce rotational forces in a crash. BOA fit system for class-leading fit and security. Fidlock magnetic closure. Increased ventilation and decreased surface contact area improve cooling. Ionic+ liner and cheek pads manage odor while wicking away sweat. 3-position adjustable visor compatible with goggles Removable under visor GoPro mount included BOA® dial: 52 micro adjustments - counterclockwise to loosen, clockwise to tighten - allows for a precisely dialed fit. Adjust while wearing the helmet. Back cradle: four points of adjustment move the cradle up or down your head to ensure the best fit possible. Cheek pads: two set of cheek pads are included with the helmet - a preinstalled thin pad set and an optional thick pad set for a more snug fit. EPS, PC, PA EPP, polyester Helmet Care Guide: https://www.foxracing.com/helmet-care-guide.html