There is no industry standard for footwear sizes. That's why Superfeet makes full-length insoles in size ranges (typically spanning 1.5 sizes) to handle the variations. You may need to trim your insoles to fit in your footwear.
C | D | E | F | G | H | |
US Size | 5.5-7 | 7.5-9 | 9.5-11 | 11.5-13 | 13.5-15 | 15.5-17 |
B | C | D | E | F | |
US Size |
4.5-6 | 6.5-8 | 8.5-10 | 10.5-12 | - |