XS XS/S S S/M M L L/XL XL 2XL 3XL 16 17 18 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 54 58 One Size