Sporty leather suit derived from racing with a revised silhouette, offers a modernized look and refined details. The three main differences in the GP Plus R v4 are: the stretch A-CS™ Plus material, the extended GP-R Lite elbow protector, and the new updated design. The stretch A-CS™ Plus material is Alpinestars' composite stretch found in the large side panels of the jacket. A-CS™ Plus material technology from MotoGP provides enhanced flexibility, high abrasion resistance, superior tear strength compared to leather, as well as a flatter profile and an overall reduced weight. The chassis construction is complemented by a mix of racing leather and traditional cowhide. External shoulder sliders Dynamic Friction Shield (DFS) with underlying Nucleon Flex Plus protection for impact resistance and comfort of movement. Removable thermal lining with 80 g and long ventilation openings at the abdomen. Ready for Tech-Air®.