The Rival Boxing RB11 Evolution Bag Gloves are made of indestructible super rich microfiber PU and was the first of Rival's gloves to incorporate the innovative dual angle V-Strap Wrist Lock 2 System. This gives you greater wrist support than most gloves on the market today. A perfect fit combined with a high-density, power-transmitting foam and a sleek, microfiber outer makes this glove a professional masterpiece. Features: Ergonomic fit. Soft, padded inner lining. Trademark 15-degree angle cuff. V-Strap Wrist Lock 2 System. Super rich microfiber PU construction. 25" of closed cell foam and latex padding designed for intense use. AirFlow Control System. Embroidered Rival graphics. Please Note: These bag gloves must never be used for sparring or hitting another person. They are designed specifically for bag and punch mitt use only. The layered foam padding used in the construction of these bag gloves are of a hard, high density nature not intended for sparring.