NS XS OS S M L XL XXL 31 1/2 32 1/2 33 34 1/2 35 35 1/2 36 36 1/2 36 2/3 37 37 1/3 37 1/2 38 38 1/2 38 2/3 39 39 1/3 39 1/2 40 40 1/2 40 2/3 41 41 1/3 41 1/2 42 42 1/2 42 2/3 43 43 1/2 43 1/3 44 44 1/2 44 2/3 45 45 1/3 45 1/2 46 46 1/2 46 2/3 47 47 1/2 47 1/3