The ergonomic design of the glove Alpinestars SMX-3 Air is made of goat skin durable and abrasion resistant, with mesh panels integrated to achieve the ideal mix of comfort, performance and protection. Technical data: . Structure of the back mesh and goat skin - lightweight, durable and very breathable. . Profile ergonomic fit and riding comfort of the upper level. . Goat leather palm with synthetic suede reinforcements for extra durability and abrasion resistance. . The knuckle protection EVA foam provides high levels of kinetic energy absorption. . TPR reinforcements on the back of the hand and fingers for increased abrasion resistance. . EVA padding with high absorption at the point of landing. . Fittings separated fingers for greater flexibility. . cuff closure with non aggressive micro-velcro for a snug and secure fit.