Fully Stitched Jersey , Letters and Numbers  Small Size 36, 19 inches armpit to armpit Medium Size 40, 20 inches armpit to armpit Large Size 44, 22 inches armpit to armpit XL Size 48, 24 inches armpit to armpit XXL Size 52, 26 inches armpit to armpit XXXL Size 56, 28 inches armpit to armpit