These heavyweight, cushioned REI Merino Wool expedition socks deliver warmth and ample cushioning for mountaineering and cold-weather hiking and backpacking.
- Merino wool blended with nylon and a touch of Lycra® spandex delivers durability and a dependable fit
- Stretch nylon reinforces the heel and toe areas for durability and comfort
- Arch band adds support
- Made in USA with imported and domestic yarns
- REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits
| Best Use | Mountaineering Hiking |
|---|---|
| Fabric | 78% merino wool/20% nylon/2% Lycra spandex |
| Sock Height | Crew |
| Sock Cushioning | Heavy Cushioning |
| Moisture Wicking | Yes |
| Gender | Unisex |
| Sustainability | From a Climate Neutral Certified brand |
REI Co-op Socks - Unisex Adult
| S | M | L | XL | S/M | L/XL | |
|---|---|---|---|---|---|---|
| U.S. Men's | 5.5-8.5 | 9-12 | 12.5-14 | 5.5-8.5 | 9-14 | |
| U.S. Women's | 4-6.5 | 7-9.5 | 10-12.5 | 4-9.5 | 10-12.5 |
Sizing Notes
For socks, please use shoe size.