How to Choose Hiking Socks
REI Co-op Flash COOLMAX Lightweight Mini-Crew Socks
$16.95
If you enjoy fast-and-light hiking, these REI Co-op socks are for you. They offer arch support and lightweight cushioning for comfort on the trail. Top-of-foot mesh helps your feet breathe.
- Designed for hikers who love to cover ground fast
- Inspired by both hiking and running socks, our Flash socks feature lower heights and less cushioning than our more traditional hiking socks
- Breathable COOLMAX® EcoMade is a high-performance fabric engineered to move moisture; its fantastic wicking properties and fast dry time help keep your feet comfortable
- COOLMAX® EcoMade contains fibers made with 100% recycled PET bottles
- Stretch nylon throughout footbed provides durability; spandex yarns improve fit
- Cushioning throughout the foot provides just-right comfort without too much bulk, plus shock absorption at impact areas
- Arch support promotes circulation and reduces foot fatigue
- Wide top welt for stay-in-place comfort, with no bunching
- Top-of-foot mesh promote breathability for your feet
- Seamless toe construction helps prevent chafing and reduces bulk
- Machine wash inside out in cold or warm water; do not use bleach or fabric softener; tumble dry low
- 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
Made in USA.
View the REI Co-op Flash Product LineView all REI Co-op Men's Hiking Socks| Best Use | Hiking |
|---|---|
| Fabric | 61% COOLMAX EcoMade polyester/33% nylon/4% polyester/2% LYCRA spandex |
| Sock Height | Crew |
| Sock Cushioning | Light Cushioning |
| Quick Drying | Yes |
| Moisture Wicking | Yes |
| Gender | Unisex |
| Sustainability | Contains recycled materials 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.
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Age:65–74
Typical Shoe Size:Mens 12
2 weeks ago
Comfy, but too tight.
I have size 12 feet so got the xl size, supposed to fit 11 to 13, but they are tight on the ends of my toes. I’m often having to stretch out the toe section.
Age:65–74
Typical Shoe Size:Mens 12