SUTEN 1 Pair PU Boxing Kickboxing Training Fighting Sandbag Gloves for Fighter Performance engineered PU leather construction, high quality and durable material is easier to clean and maintain. Dense two-layer foam provides superb protection and softness to help prevent injury to your hands while training. Longitudinal arch design, constructed to fit the natural curvature of the hand for proper fist closure while striking. Secure nylon fastener tape ensures a secure wrist support for training as well as making the gloves easy to put on or take off. There are air holes on the glove, helps keep hands cooler and increases breathability of the gloves.