OTBT Sizes

US / Canada 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
Foot Length (inches) 823 856 9 916 913 912 923 956 10 1016 1013 1012 1023
Foot Length (mm) 220 225 230 235 240 245 247 250 255 260 265 270 275