Super Skin- 2x stronger than cowhide leather and only ½ the weight. Pro Stock Leather - Made specifically for Wilson ball gloves, this American Steerhide is preferred by professional players for its rugged durability and unmatched feel. Strategic Design - Leather where you need and Super Skin where you don’t. Super Skin is placed on the back of the glove where it takes the most beating. 1/2 Moon Web Black and Grey combined with Super Skin 34"