Sizing: Forty Below Overboots
Measure the bottom of your boot and choose the correct size based on your sole length.
| Size | Boot Sole Length |
| XS | 10-11" |
| Small | 10.75-12" |
| Medium | 11.5-12.75" |
| Large | 12.25-13.5" |
| XL | 13-15" |
Measure the bottom of your boot and choose the correct size based on your sole length.
| Size | Boot Sole Length |
| XS | 10-11" |
| Small | 10.75-12" |
| Medium | 11.5-12.75" |
| Large | 12.25-13.5" |
| XL | 13-15" |