The multi-panel Booster Glove is made from premium leather & incorporates an over-molded hard-knuckle guard for optimized levels of protection. Featuring Alpinestars’ stretch palm insert as well as grip panels the Booster provides excellent sensitivity on the bike’s controls. Features Constructed from durable goat leather associated with high abrasion resistant stretch polyester fabric Innovative microfiber & PU grip panels strategically position on palm & thumb for excellent levels of grip control & durability Premium, full-grain leather palm construction is durable & offers excellent abrasion resistance Alpinestars’ exclusive ergonomic stretch insert between palm & thumb offers enhanced range of hand movement & greater sensitivity while operating the bike controls Accordion stretch inserts on fingers & back hand for all-round movement & comfort Alpinestars’ patented third & fourth finger bridge prevents seam failure & finger separation in the event of a slide Molded hard-knuckle protector provides impact & abrasion protection. Guard is reinforced on the interior side with thick EVA foam for enhanced levels of fit, comfort & shock absorption Palm, thumb & fingers padded with energy absorbing EVA foam for additional protection Wrist flap with velcro on cuff provides a secure closure Little finger side wall suede reinforcement for abrasion resistance Touchscreen compatible index fingertip & thumb allow the use of smartphone & GPS systems Pre-curved finger construction reduces rider fatigue while offering excellent comfort & fit