Muay Thai Fighter Martial Arts T-Shirt. Muay boran, and therefore Muay Thai, was originally called by more generic names such as Toi muay or simply muay. As well as being a practical fighting technique for use in actual warfare, muay became a sport in which the opponents fought in front of spectators who went to watch for entertainment. Digitally Printed on soft superior 100% Cotton, Triblend, 50/50 premium Soft Style Quality T-shirts. Not Slim Fit Size XXL is Heavy Cotton. The Design Is Blended into the fabric of the shirt, No Peeling or Cracking High Quality Print.