Made from the highest quality Cow Hide Leather the Killa Pro Air Punch Mitts weigh approximately 10oz each. The slip on fingerless hand compartments fit the hands like a glove and keeps them comfortable and secure during usage. This strapless slip on design also allows the hands to slip in and out with ease. Rounded inside grip ball for control and execution of high level punch combinations. These air mitts are designed to protect both fighters hands and Mitt Holder while absorbing heavy impact punches.