XS S S/M M M/L L L/XL XL 2XL 3XL 18 28.5 35.5 36 36.5 37 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 58 128 140 152 164 One Size