Glove palm, thumb and fourchettes are leather for comfort and durability, Alpinestars Drystar® waterproof, breathable membrane, Airshield reinforcements of aramidic fiber and polyamide for improved abarasion resistance on the fourth finger, Thermoplastic Polyurethane (TPU) palm slider to provide abrasion resistance on key impact zones, Stretch accordion panels on the fingertips and back of hand to increase flexibility and provide a comfortable fit