Made From 100% Organic Cotton. Fairwair Foundation and Peta Certified. Printed using NeoPigment water-based inks. Shirt Sizes (To Fit) - Small 36" chest, Medium 38" chest, Large 42" chest, X-Large 44" chest, XX-Large 48" chest, XXX-Large 50" chest. Please refer to sizing guide in item photographs for more detailed measurments. Browse more TeeSpirit products by clicking our brand name above.