| Size | Average Shoe Size | |||
| Small | US: M 4.5-6.5 | W 5-7.5 | UK: 2.5-5 | EU: 35.5-38.5 |
| Medium | US: M 7-10 | W 8-11 | UK: 6-9 | EU: 39-43.5 |
| Large | US: M 10.5-13 | W 11.5-PLUS | UK: 9.5-12.5 | EU: 44-48 |
| X-Large | US: M 13.5-15.5 | -- | UK: 13-16 | EU: 48-PLUS |
| XX-Large | US: M 15.5-PLUS | -- | UK: 16-PLUS | EU: 52-PLUS |
