| S | M | L | XL | |
| Men's | 3 - 5.5 | 6 - 8.5 | 9 - 12 | 13 - 16 |
| Women's | 5 - 7.5 | 8 - 10.5 | ||
| Kids' | 7K - 10K | 11K - 1 | 2 - 5.5 |
| Kids' One Size Fits All | Women's XS-S | Women's M-L | Men's S-M | Men's L-XL | |
| USA | 2 - 5.5 | 5 - 7 | 7.5 - 10 | 6 - 8.5 | 9 - 13 |
| EU | 34 - 37 | 35 - 37 | 35 - 42 | 38 - 41 | 42 - 47 |
| UK | 1.5 - 5 | 35.5 - 37 | 2.5 - 7.5 | 5.5 - 8 | 8.5 - 12.5 |
| Japan | 20 - 23.5 | 22 - 23 | 21 - 26 | 24 - 26.5 | 27 - 31 |