Verdict from 58 user reviews

6 reasons to buy

  • Some runners mentioned that the Fat Tire 2 felt lighter compared to its previous version.
  • Several testers said that they found the shoe very comfortable.
  • The shoe has a high-quality and durable construction, said a few reviews.
  • According to some comments, the treads of the shoe were aggressive enough to withstand a muddy running surface.
  • A few admired the durable and responsive cushioning of the Under Armour Fat Tire 2.
  • A customer with plantar fasciitis said that with the Fat Tire 2, he experienced no pain while running.

2 reasons not to buy

  • One user found the Under Armour Fat Tire 2 slightly expensive.
  • A couple of users disliked the cleatie-like construction of the ankle collar; they said it did not give the shoe a pleasant look.

Bottom line

The 2nd iteration of the Under Armour Fat Tire has a very prominent update – the new ankle collar cleatie-like construction. A few did not welcome the new design, but most of those who tried the shoe were generally impressed by the shoe’s overall performance. The shoe is a reliable trail running shoe that provides a good blend of cushioning, durability, traction, protection, and comfort.

Tip: see the best trail running shoes.

Good to know

  • The Fat Tire 2 utilizes the same outsole and midsole as its previous version. It only features several updates in the upper for an enhanced running experience.
  • One noticeable update in the upper is the ankle collar cleatie construction. It wraps the ankle comfortably and provides additional support. It also serves as a shield against dirt and trail debris.
  • Another update is the Boa® Closure System that provides a precise fit and comfortable feel. This closure system locks your foot securely in an easier, quicker, and tighter manner compared to the ordinary laces.

The 2nd iteration of the Fat Tire available in a standard medium width for men and women’s version. It has medium measurements in the heel, mid-foot, and forefoot, giving users with medium foot shape a nice and comfortable fit. The shoe fairly runs true to size.

Just like the previous version, the Under Armour Fat Tire 2 utilizes the Michelin® Wild Gripper outsole rubber compound. This premium outsole technology is inspired by tires used on big bikes. It has multi-directional lugs that are designed for unmatched grip on various terrains.

The shoe features the Under Armour Charged Cushioning® in its midsole. It provides durable underfoot cushioning that efficiently absorbs impact during landing. It also provides a high-energy return for a more responsive ride. This midsole material is also present in the Fat Tire 3 trail shoe.

The Under Armour Fat Tire 2 makes use of a new ankle collar cleatie construction that is specifically designed to provide ankle support. It also gives protection to the foot against mud, small stones, and other trail debris.

Along with the ankle collar construction is the Boa® Closure System. It uses a micro-adjustable dial with durable and lightweight laces. This lacing system aims to provide a precise and long-lasting fit.

The shoe utilizes a soft-shell material in its upper. It is flexible and lightweight material that provides the foot a comfortable coverage. It also has a tough rubberized print that provides durability to the upper.

The Fat Tire 2 also uses the Under Armour Storm™ technology. It is a lightweight fabric with a Durable Water Repellent (DWR™) feature. It helps repel water while running in wet conditions, keeping the foot dry all throughout the run.

To keep the foot odor-free and free from fungus, the shoe makes use of the Cupron® Anti-Fungal Pro Fibers sockliner. The fibers are engineered to reduce odor and kill 99.9% of athlete's foot fungus.


How Under Armour Fat Tire 2 ranks compared to all other shoes
Bottom 11% trail running shoes
All trail running shoes
Bottom 10% Under Armour running shoes
All Under Armour running shoes
Bottom 5% maximalist running shoes
All maximalist running shoes


The current trend of Under Armour Fat Tire 2.
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Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.