How to Choose Hiking Socks
REI Co-op COOLMAX Ultralight Hiking Quarter Socks
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For those who prefer a bare calf and close-fitting footwear on the trail, the REI Co-op COOLMAX Ultralight Hiking quarter socks made of breathable polyester-blend fabric are a smart choice.
Shop similar products- Breathable COOLMAX polyester is blended with stretch nylon for durability and spandex for a great fit
- Ultralight weight, ideal for close-fitting footwear
- Seamless toe closure; padded heel and toe
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
- Made in USA with imported and domestic yarns
| Best Use | Hiking |
|---|---|
| Fabric | 51% COOLMAX polyester/46% nylon/3% Lycra spandex |
| Sock Height | Ankle |
| Sock Cushioning | Light Cushioning |
| Quick Drying | Yes |
| Moisture Wicking | Yes |
| Gender | Unisex |
| Sustainability | From a Climate Label 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.
Buying Advice
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
