Men's sock sizes
| UK Shoe sizes | EU Shoe sizes | US Shoe sizes | |
| S | 1.5 - 4.5 | 35 - 37 | 3 - 5.5 |
| M | 5.5 - 8 | 38 - 42 | 6 - 8.5 |
| L | 8.5 - 11.5 | 43 - 46 | 9 -12 |
| XL | 12.5 - 15.5 | 47 - 50 | 13 - 16 |
| XXL | 17 - 20 |
Women's sock sizes
| UK Shoe sizes | EU Shoe sizes | US Shoe sizes | |
| S | 3 - 5.5 | 35 - 37 | 6 - 7.5 |
| M | 6 - 8.5 | 38 - 42 | 8 -10.5 |
| OS | 4 - 8 | 36 - 41 | 6 - 10 |
Kid's sock sizes
| UK Shoe sizes | EU Shoe sizes | US Shoe sizes | |
| S | 6.5 - 9.5 | 23 - 27 | 5 - 7.5 |
| M | 10.5 - 13.5 | 29 - 34 | 8 - 10.5 |
| L | 1.5 - 4.5 | 35 - 37 | 6 - 10 |
