The Atem V5 Leather Jacket is a racing jacket engineered and optimized for sportbike and naked sportbike 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 construction is 10% lighter than regular bovine leather, while delivering 80' more adaptability for superior freedom of movement, an ultra-adaptive race fit, and enhanced abrasion and tear resistance. 3D pattern body mapping for an enhanced 'race' fit. Dual-density DFS RR shoulder and elbow protectors for superior friction control. Tech-Air® 5 and Tech-Air® 3 Ready (sold separately).