.These quality sparring / training gloves from MAIN EVENT are manufactured from a high quality buffalo leather with a superb padded upper for a most comfortable fit. The all round quality is second to none as you would expect from MAIN EVENT, the wrists have a leather velcro fastening...The thumb is designed with saftey in mind and fully fastened to the glove body to help prevent injuries during training... All MAIN EVENT products are designed by the pros for the pros...!