The innovative SP-1 Leather Glove keeps the hands of serious track and street riders well ventilated with a patented finger-bridge, and protects your knuckles with carbon fiber and Clarino suede reinforcements. This is a multi-panel glove made from 1.3mm leather with reinforced stitching to withstand years of use (or abuse). The long, gauntlet-style cuff stays secure with double Velcro closure.; The Alpinestars SP-1 Gloves are premium 1.3 leather, multi-panel construction is extremely durable, and offers superb abrasion resistance, with reinforced stitching for optimum strength and tear resistance Strong, supple leather of the main chassis is built with Innovative multi-panel construction Clarino suede reinforces the palm and outer edge for abrasion resistance and support Leather reinforcements cover fingers and sidewalls for extra durability Get improved fit and additional impact protection thanks to poly-foam padding on fingers, thumb, and wrist Lightweight, carbon fiber knuckle guards offer durability and excellent protection against repeated impact TPU palm slider for excellent abrasion resistance and protection in critical impact area The SP-1 Gloves features a large air ventilation vent on the back of the hand that has a TPR ridge for additional abrasion resistance In case of impact, Alpinestars patented third and fourth finger bridge prevents finger separation or contortion, and avoids burst seams Palm, fingers, thumb, top of hand, and wrist are all padded with 4mm perforated poly-foam for extra cushioning and comfort Fingers and thumb built with leather accordion flex inserts for support, fit and comfort Hands stay cool and comfortable with perforated cuff, leather top panel and ventilated finger sidewalls Extended, gauntlet-style cuff includes an elasticated wrist and a double Velcro closure for a secure customized fit Anatomical, pre-curved finger construction helps prevent hand fatigue and improves riding comfort Touchscreen compatible index fingertip for using tablet, smartphone, and GPS