| Size | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Distal tibia circumference (cm)the narrowest point above the ankle | 18 | 17 – 21 | 21 – 24 | 24 – 28 | |||||||||||||||
| Shoe size (EU) | 36 – 37 | 38 – 39 | 40 – 41 | 42 – 43 | 44 – 45 | 46 – 47 | 36 – 37 | 38 – 39 | 40 – 41 | 42 – 43 | 44 – 45 | 46 – 47 | 36 – 37 | 38 – 39 | 40 – 41 | 42 – 43 | 44 – 45 | 46 – 47 | |
| Shoe size, US women’s | 5.5 – 6.5 | 7.5 – 8 | 9 – 9.5 | 10.5 – 11.5 | 12 – 13 | 14 – 15 | 5.5 – 6.5 | 7.5 – 8 | 9 – 9.5 | 10.5 – 11.5 | 12 – 13 | 14 – 15 | 5.5 – 6.5 | 7.5 – 8 | 9 – 9.5 | 10.5 – 11.5 | 12 – 13 | 14 – 15 | |
| Shoe size, US men’s | 4 – 5 | 6 – 6.5 | 7 – 8 | 8.5 – 9.5 | 10 – 11 | 12 – 13 | 4 – 5 | 6 – 6.5 | 7 – 8 | 8.5 – 9.5 | 10 – 11 | 12 – 13 | 4 – 5 | 6 – 6.5 | 7 – 8 | 8.5 – 9.5 | 10 – 11 | 12 – 13 | |
EU is Sporlastic’s own figure and the one printed inside the shoe; the US/Canadian equivalents are the usual conversion and can differ by half a size between shoe brands.