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Moss Heather
Moss Heather

This product is no longer available, but don't go just yet.


  • Darn Tough uses a custom-count, shrink-treated merino wool that enhances comfort and durability for outdoor activities
  • Merino wool wicks away moisture and breathes to regulate temperature for outstanding comfort in a variety of conditions
  • Ring-toe construction hides seams and enhances comfort
  • Reinforced heels and toes; elastic support around the arches
  • Darn Tough recommends that you machine wash socks inside out in warm water on gentle cycle and tumble dry on low
  • *Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9

Made in USA.

View all Darn Tough Women's Hiking Socks

REI membership


Best Use Hiking
Fabric 65% merino wool/31% nylon/4% Lycra spandex
Sock Height Ankle
Sock Cushioning Light Cushioning
Gender Women's

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more