Smartwool Sizing Chart
Sock sizes are based on your everyday U.S. shoe size.
Socks (Men's & Women's):
| Size | U.S. Men's Shoe Size | U.S. Women's Shoe Size | Euro Shoe Size | UK Shoe Size |
|---|---|---|---|---|
| S | 3 - 5.5 | 4 - 6.5 | 34 - 37 | 2 - 4.5 |
| M | 6 - 8.5 | 7 - 9.5 | 38 - 41 | 5 - 7.5 |
| L | 9 - 11.5 | 10 - 12.5 | 42 - 45 | 8 - 10.5 |
| XL | 12 - 14.5 | N/A | 46 - 49 | 11 - 13.5 |
| XXL | 15 - 17.5 | N/A | 50 - 53 | 14 - 16.5 |
Kids' Socks:
| Size | U.S. Shoe Size | Euro Shoe Size | UK Shoe Size |
|---|---|---|---|
| XS | 6 - 8.5 | 22 - 25 | 5 - 7.5 |
| S | 9 - 11.5 | 26 - 28 | 8 - 10.5 |
| M | 12 - 2.5 | 29 - 32 | 11 - 13.5 |
| L | 3 - 6 | 33 - 36 | 1 - 4.5 |
Kids' sock sizes follow kids' shoe sizing, which starts over after size 13.5 - so size M covers 12 through 2.5, and size L covers 3 through 6.
Smartwool socks run true to size, based on your total foot length - and calf circumference for compression socks. Smartwool socks are designed to retain their fit and shape; following the care instructions on the label will help avoid shrinking or stretching.
