Alpinestars Atem V5 leather JacketThe Atem V5 Leather Jacket is a racing jacket engineered and optimized for sportsbike and naked sportsbike riders, and features extensive race derived features, technology and materials including a dedicated 'Race' fit with pre curved arms maximum riding performance, Alpinestars Flex Plus 'Race' leather throughout, race proven protection on the shoulders and elbows, while delivering optimum levels of rider comfort. Flex Plus bovine 'Race' leather