Evolution T-Shirt 100% Premium Cotton Darwin 100% Cotton Long lasting T-Shirt, with the highest quality print - stand out from the crowd. 100% Cotton Chest Size: Small - 34-36", Medium - 38-40", Large - 42"-44", XL - 46-48", XXL - 50-52", XXXL - 54-56" Exact size, armpit to armpit: Small - 46cm, Medium - 51cm, Large - 56cm, XL - 61cm, XXL - 66cm, XXXL - 71cm. Exact length, collar to hem: Small - 57cm, Medium - 60cm, Large - 62cm, XL - 64cm, XXL - 67cm, XXXL - 84cm 100% Satisfaction Guaranteed!