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.
The Thorlo Outdoor Fanatic Sock is built for hiking, backpacking, canyoneering, and trail running. Made with a Merino wool blend and Ionic technology for odor control, it features vented panels for breathability, contoured ankle padding, impact protection, targeted arch support, and a smooth toe seam for lasting comfort.
Features
- Height: crew
- Cushion: medium
- Merino wool blend for insulation and wicking
- Ionic technology reduces odor
- Ventilation panels
- Compression arch and ankle support
- Ankle padding
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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.

