The form-fitting, pre-curved design of this professional fight glove fits any hand like it was custom made. Each pair is constructed of genuine leather with a special, 3-layer, polyurethane, foam rubber, quilted horse hair foam combination. The extra length, additional wrist support and multi-layered foam padding over the knuckles provides optimal fist protection. The nylon hand compartment is water repellent liner to help keep glove weight correct. Approved for use by all professional and state sanctioning bodies. Official size and weight.