Size Guide

 

Size Circumference (mm/inch) Inner Diameter (mm/inch)

S (US7)

54 mm / 2.125 in 17 mm / 0.669 in
M (US8) 56 mm / 2.204 in 18 mm / 0.708 in
L (US9) 60 mm / 2.362 in 19 mm / 0.748 in
XL (US10) 62 mm / 2.440 in 20 mm / 0.787 in

 

Round up if you are in between two sizes.