Please use your shoe size to find the perfect Thorlo for you!
| Sock Size | Thorlo Size | Youth Shoe | Women Shoe | Men Shoe |
|---|---|---|---|---|
| Small | 9 | 2-4 | 4-6 | |
| Medium | 11 | 6.5-10 | 5.5-8.5 | |
| Large | 13 | 10.5-13 | 9-12.5 | |
| X-Large | 15 | 13-15 |
Care:
To maintain Thorlo's quality, launder and dry inside out, use liquid fabric softener for flexibility and sizing, avoid line drying, and tumble dry on low heat.
Thorlo's Extreme Cold sock delivers comfort in the coldest environments. Made from an exclusive blend of THOR-LON and wool, it delivers maximum warmth and durability. Heavy cushioning is clinically shown to reduce blisters, pressure, and moisture, while 100% worsted wool at the toes protects from frostbite and provides extra protection where you need it most.
Features
- Height: crew
- Cushion: extra heavy
- Clinically tested targeted padding protects from impact
- Cushioned instep, arch and shin for comfort and protection
- THOR-LON wool blend for warmth, softness and durability
- Ventilation panel for breathability
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Gender
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Material
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Height
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Cushion
Please use your shoe size to find the perfect Thorlo for you!
| Sock Size | Thorlo Size | Youth Shoe | Women Shoe | Men Shoe |
|---|---|---|---|---|
| Small | 9 | 2-4 | 4-6 | |
| Medium | 11 | 6.5-10 | 5.5-8.5 | |
| Large | 13 | 10.5-13 | 9-12.5 | |
| X-Large | 15 | 13-15 |
Care:
To maintain Thorlo's quality, launder and dry inside out, use liquid fabric softener for flexibility and sizing, avoid line drying, and tumble dry on low heat.









