|Champion Mens Jersey Muscle T-Shirt T2231 fiber content is 100% Cotton Jersey. Champion Mens Jersey Muscle T-Shirt Tired of flimsy T shirts? Try this Champion men\'s muscle tee, built tough for lasting wear. Soft, substantial cotton feels comfortable year \'round. Shape-keeping 1x1 ribbing reinforces neck and armholes. Full athletic fit guarantees ease of m. Champion Mens T2231 comes with 1 T-Shirts per Pack.