7 8 8.5 9 9.5 10 10.5 11 11.5 12 S M L XL XXL S/M L/XL O one OS 1S 1SIZE 31-34 34-36 35-38 37-39 39-42 40-42 43-45 43-46 46-48 7 1/2 7 1/4 7 1/8 7 3/8 6-8.5 9-11.5 36-39 M/L