Ortho Pro - Size Guide

US Women US Men UK Women UK Men Length (in) Width (in) Foot Girth (in) Over Arch (in)
5 4 3 3 9.4 3.5 9.6 10.0
5.5 4.5 3.5 4 9.6 3.5 9.7 10.1
6 5 4 4.5 9.8 3.6 9.8 10.2
6.5 5.5 4.5 5 10.0 3.6 9.9 10.3
7 6 5 5.5 10.2 3.7 10.0 10.4
7.5 6.5 5.5 6 10.4 3.7 10.2 10.6
8 7 6 6.5 10.2 3.7 10.0 10.4
8.5 7.5 6.5 7 10.4 3.7 10.2 10.6
9 8 7 7.5 10.6 3.8 10.3 10.7
9.5 8.5 7.5 8 10.8 3.8 10.4 10.8
10 9 8 8.5 11.0 3.8 10.5 10.9
10.5 9.5 8.5 9 11.2 3.9 10.6 11.0
11 10 9 9.5 11.4 3.9 10.7 11.2
11.5 10.5 9.5 10 11.6 4.0 10.8 11.3
12 11 10 10.5 11.8 4.0 10.9 11.4
12.5 11.5 10.5 11 12.0 4.1 11.0 11.5
13 12 11 11.5 12.2 4.1 11.1 11.6
13.5 12.5 11.5 12 12.4 4.2 11.2 11.7
14 13 12 12.5 12.6 4.2 11.3 11.8
14.5 13.5 12.5 13 12.8 4.2 11.4 11.9