GP Pro R4 Gloves are a pure racing sport performance gauntlet glove with optimized material mapping to guarantee excellent fit and comfort, and highest levels of protection Constructed with premium materials, the gloves are equipped with Alpinestars Dynamic Friction Shield (DFS) knuckle and cuff protectors with advanced airflow ventilation and aramidic reinforcement to ensure the gloves are primed for superior trackday performance Constructed from a blend of bovine and goat leather on the backhand and kangaroo leather on the palm and fingers for superior performance and the optimal blend of softness, feel and protection Impact absorbing layering on the finger, backhand, palm landing zone and side of the hand for additional coverage in key areas Dual closure system with a wrist adjuster and cuff closure flap for security Knuckle panel perforated gusset for improved levels of hand ventilation Inner seam palm construction for superior levels of rider comfort Leather accordion paneling on the fingers, thumb, and backhand for an fit and comfort Dual density DFS Race knuckle protector for maximum protection against repeated impacts with a soft mounting for enhanced rider comfort and an ultra-adaptive fit The finger and knuckle protectors are contoured with stitched leather panels for superior safety while still being ultra-adaptive for enhanced comfort TPU finger protection for superior impact protection and abrasion resistance DFS Race cuff for high levels of abrasion resistance Side reinforcements with palm hard slider and finger sliders for superior abrasion resistance and reduction in heat transfer Aramidic lining on the backhand and landing zone for added protection Finger bridge on third and fourth finger prevents finger roll and separation in the event of a slide