RDX Sauna Suit MMA Neoprene Sweat Shirt Rash Weight Loss Slimming Fitness Gym Exercise Training RDX Ultra Flex 3mm DS neoprene Sweat Shirt Hand washable Heated by body heat offers serious sweat loss of excess pounds Fits close to the body for uninhibited movement during training Flat-lock seams & an anatomical cut give total freedom of movement Suit zips up the front for comfortable and simple application