Revgear Sentinel Gel Boxing Gloves have a complex construction design. Injection molded padding with 4 mm anti shock gel material over the main punching area with a contoured design for that worn in feel. Made with soft leather outer and special waterproof lining. 3\ wide hook and loop wrist wrap for secure fit support and round-after round performance. Unbeatable comfort. No wear in period necessary. Attached thumb for safety. Size: 12, 14, 16, 18 oz. Color: Black The Gel Boxing Glove is \"The best glove I've ever used,\" says UFC veteran Chris \"The Crippler\" Leben."