REI Co-op COOLMAX EcoMade Liner Crew Socks

Color: White
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Members get an estimated 10% back on this item as a part of your annual .

Members get an estimated 10% back on this item.
To buy,  sign in as an REI Co-op Member or join now.

Wear them under your hiking socks as a barrier against chafing, or wear them alone on hot day hikes. The REI Co-op COOLMAX EcoMade liner socks are moisture-wicking, breathable and durable.


  • The polyester yarn in REI Co-op COOLMAX® EcoMade liner socks is made from recycled water bottles
  • Nylon adds durability, while spandex offers stretch and shape retention so the fit will remain snug, wash after wash
  • Smooth, flat toe seams ensure no bunching or irritation for your toes
  • Machine wash inside out in cold or warm water; no bleach or fabric softener; tumble dry low
  • Made to reflect our love for people and the planet through the use of recycled polyester, which keeps waste out of landfills
  • Made in USA with imported and domestic yarns

Made in USA.

View all REI Co-op Men's Hiking Socks

Technical Specs

Best Use



50% COOLMAX EcoMade polyester/49% nylon/1% spandex

Sock Height


Sock Cushioning

No Cushioning

Quick Drying


Moisture Wicking





Contains recycled materials

From a Climate Neutral Certified brand

Size Chart

U.S. Men's5.5-8.59-1212.5-145.5-8.59-14
U.S. Women's4-6.57-9.510-12.54-9.510-12.5

Sizing Notes

For socks, please use shoe size.

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