TLDR. Great fit and awesome fabric makes these a must have. The shorts are so good you probably won't take them off. Comfortable, durable, and without crazy big logos or loud designs. 

Multi Training Use. Whether it’s wrestling, MMA, no-gi jiu jitsu, or hitting the bags, rash guards are simply the best performance option to keep you comfortable

Fabric Specs. 85% Polyester. 15% Spandex