Add some weight resistance to your physical training exercises with weight vest from Power Systems. The UniVest easily slips on and off over the head. The straps adjust, capable of fitting up to an 80-inch chest. Choose from 10 lb. or 20 lb. weight options. Note that the vest weighs 1 lb. and can either be ordered pre-configured with 9 pounds or 19 pounds of weight, changeable in 1/2-lb. Increments. Weight vests can double in weight by ordering additional Flex-Metal weights, sold separately.