Jayefo&reg; By JFO Training Wristwrap Heavy Bag Gloves 3" Gel Layer MMA Muay Thai Trainer Made of premium synthetic leather along with superior glove construction for lasting durability Ideal men's bag glove for cardio kick-boxer, martial arts, and boxing enthusiasts Contoured fit puts the hand into a natural fist position maximizing your punching techniques WristWrap technology stabilizes the wrist with gentle pressure; NoSweat lining wicks moisture away from skin Anatomical thumb padding to provide increased protection without decreasing mobility For Adults, one size fits most. Adjustable with velcro wrist band