Muscle Cut Stringer Workout T-shirt Tank Bodybuilder American Apparel The tank is cut from American Apparel's Poly-Cotton Crew Neck T-Shirt BB401 Poly-Cotton (50% Polyester / 50% Combed-Cotton) construction Durable rib neckband Fabric weight 3.7 oz/yd (125 g/m) This cut tank makes the perfect workout shirt for anyone who likes to sweat it out at the gym. The shirt is incredibly soft and light weight that you don't even feel like your wearing a shirt at all. The ultimate comfort level.