The multi-panel Booster Glove is made from premium leather and 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 and PU grip panels strategically position on palm and thumb for excellent levels of grip control and durability Premium, full-grain leather palm construction is durable and offers excellent abrasion resistance Alpinestars’ exclusive ergonomic stretch insert between palm and thumb offers improved range of hand movement and greater sensitivity while operating the bike controls Accordion stretch inserts on fingers and back hand for all-round movement and comfort Alpinestars’ patented third and fourth finger bridge prevents seam failure and finger separation in the event of a slide Molded hard-knuckle protector provides impact and abrasion protection. Guard is reinforced on the interior side with thick EVA foam for improved levels of fit, comfort and shock absorption Palm, thumb and 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 and thumb allow the use of smartphone and GPS systems Pre-curved finger construction reduces rider fatigue while offering excellent comfort and fit