2XS XS S M L L/XL XL 2XL 3XL 4XL 16 16.5 17 18 19.5 21 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 One Size