Nike Diamond Elite Pro Batting Gloves Adult Small Made of 55 percent sheepskin leather, 25 percent synthetic leather, 15 percent nylon and 5 percent polyester Spyder-Tex Cabretta leather with a tacky texture forms to the shape of your palm for excellent grip and a comfortable fit Mesh at the back of the hands and between the fingers for ventilation Thumb flex zones help eliminate bunching and improve grip Clean-palm design minimizes seams. Adult Size Small.