Sparring 16oz Velcro Closer Boxing Gloves: Made of all Cowhide leather. An excellent sparring glove of the best quality. Adjustable fit with Leather wrap-around Velcro wrist, wrist closure for easy on-off. Attached thumbs. Comfortable palm ventilation. Latex Rubber, Soft Eva (Eva foam), Foam & Terry cloth. Imported nylon cloth lining.