The Nike Alpha Huarache Edge Gloves are designed with premium synthetic leather palms to provide excellent control and comfort at the plate. Premium synthetic leather palms provide durability. Overlay on the back prevents bunching. Machine washable fabric makes gloves easy to clean. Materials: Palm: 60% polyester/40% polyurethane. Back: 87% polyester/7% spandex/ 6% polyurethane. Other: 56% nylon/28% neoprene/14% spandex/2% polyurethan