REI Co-op CoolMax Liner Socks
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Worn under your hiking socks, REI liners wick moisture away from your feet to help keep them cool, dry and blister-free.
Shop similar products- CoolMax® technology wicks and transports perspiration away from your feet
- CoolMax also breathes well to further enhance the thermal insulating properties
- Smooth, flat toe seam ensures no bunching or irritation for your toes
- *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
- Made in USA with imported and domestic yarns
- 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.
View all REI Co-op Men's Liner Socks| Best Use | Multisport |
|---|---|
| Fabric | 93% CoolMax polyester/6% nylon/1% spandex |
| Sock Height | Crew |
| Sock Cushioning | No Cushioning |
| 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.
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.
