GP Plus v4 Leather Jacket Black/WhiteRace derived sport leather jacket with a revised silhouette has a modernized look and refined detailing. Three main differences in the GP Plus R v4 are: A CS Plus stretch material, GP R Lite extended elbow armor, and new modernized graphic A CS Plus stretch material is Alpinestars composite stretch found in the large side panels of the jacket A CS Plus MotoGP derived material technology provides increased stretch, high abrasion resistance, higher tear