2XS XS S S/M M M/L L L/XL XL 2XL 3XL 4XL 16 18 21 22 25 27.5 28 28.5 29.5 30 31 31.5 32 33 33.5 34 35 35.5 36 36.5 37.5 38 38.5 39 40 40.5 41 42 42.5 43 44 44.5 45 45.5 46 47 47.5 48 48.5 49.5 54 58 68 One Size