100% Cotton Please wash with cold water inside out to preserve their prints and their colors. Mid Weight 5.3 Ounce It’s going to shrink after washing. Measurements are in inches with shirt laying flat. Small Body Width 18" (45.5cm) Body Length 28" (71cm) Medium Body Width 20" (50.5cm) Body Length 29" (73.5cm) Large Body Width 22" (55.5cm) Body Length 30" (76cm) 1X-Large Body Width 24" (61cm) Body Length 31" (78.5cm) 2X-Large Body Width 26" (66cm) Body Length 32" (81cm)