XS S S/M M L L/XL XL 2XL 3XL 4XL 17 25 27 27.5 28 28.5 29.5 30 30.5 31 31.5 33 35 36.5 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 43 43.5 44 44.5 45 45.5 46 46.5 47 47.5 48 48.5 49.5 50 50.5 51.5 128 140 152