How to Choose Hiking Socks

Enjoy support and cushion in a sporty fit with these REI Co-op Flash socks. They offer targeted cushioning and the natural breathability and odor resistance of merino wool. They come here in a 2-pack.
Made in USA.
View the REI Co-op Flash Product LineView all REI Co-op Men's Hiking Socks| Best Use | Hiking |
|---|---|
| Fabric | 49% nylon/43% merino wool/5% polyester/3% LYCRA® spandex |
| Sock Height | Ankle |
| Sock Cushioning | Ultralight Cushioning |
| Quick Drying | Yes |
| Moisture Wicking | Yes |
| Gender | Unisex |
| Sustainability | From a Climate Label Certified brand |
| 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 |
For socks, please use shoe size.
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.


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