You are using a web browser we don't support. Please use the latest version of one of these browsers.

Mozilla Firefox

Google Chrome

Apple Safari

Microsoft IE

Back to top

adidas Terrex Fast X Mid GTX Hiking Shoes - Men's

Black/Black/Core Energy
Black/Black/Core Energy

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


  • Airy nylon mesh uppers feature synthetic leather overlays for support; easy quick-pull lacing delivers a snug fit with minimal fuss
  • GORE-TEX® liners make these boots waterproof yet breathable, for comfort in a variety of conditions
  • Quick-drying nylon linings help wick moisture away from feet to enhance in-boot comfort
  • Antimicrobial finish on the OrthoLite® footbeds deters odors
  • EVA midsoles absorb shock, cushion feet and provide gentle support
  • Thermoplastic urethane shanks deliver torsional stability and arch support; protection plates guard against stone bruising
  • The adidas Terrex Fast X Mid GTX hiking shoes boast aggressive rubber outsoles for sure traction
  • All-synthetic construction makes these vegan-friendly


View all adidas Men's Hiking Shoes

REI membership


Best Use Hiking
Footwear Height Over-the-ankle
Footwear Closure Single-pull lace
Waterproof Yes
Upper Synthetic leather/nylon mesh
Lining Gore-Tex waterproof breathable membrane/nylon
Midsole EVA
Support Thermoplastic urethane arch shank/protection plate
Outsole Rubber
Vegan Yes
Average Footwear Weight (Pair) 2 lb. 3 oz.
Gender Men'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