Brands new still with tags GS race helmet MIPS, Polartec & M-forge materials Includes case. Size M (55-59cm). From Oakley: Designed and developed with reigning overall World Champion Aleksander Kilde, the ARC5 PRO was created to be the ultimate FIS certified alpine ski helmet. In partnering with one of the fastest and most accomplished racers in the sport today, the ARC5 PRO features an M-Forge composite shell with a unique rear design to help prevent Kilde's aggressive tuck position from interfering with his neck and body. Mips® Technology Remain headstrong with an industry-leading, patented brain protection system that helps protect the head from multidirectional impact. M-FORGE® Presenting the Oakley ARC5 Pro alpine ski helmet, featuring cutting-edge M-FORGE® COMPOSITE technology and honored with the prestigious ISPO AWARD 2022 for its outstanding quality, performance, and innovation.The exclusive and patented M-FORGE® COMPOSITE technology delivers superior safety through improved impact attenuation performance, with a lighter shell weight and a lower carbon footprint. PolarTec Power Grid Moisture wicking, removeable and washable three-dimensionally shaped vented lining to match the contours of a rider's head.