Ringsport tee shirt with Muay Thai logo are available now, 100% soft cotton, light and cool, perfect for Aussie summers, nice cut.
Sizes below is for a average height / shape man. I am 180cm and 84kgs L is a perfect fit not tight but not loose.
Size S - 60 - 70kg M - 65 to 75kgs, L - 75 to 90kgs, XL 85 - 100kg, XXL - 90+