Verdict from 7 experts and 100+ user reviews
6 reasons to buy
- Numerous athletes and gum buffs praise this shoe’s performance in CrossFit WODs. An expert even compared its stability to that of the Metcon 4.
- The majority of purchasers have marked it as true to size, lengthwise.
- Many buyers consider it one of the best-looking training shoes from Under Armour.
- Multiple users say that its sturdy outsole provides excellent grip on both the gym floor and the rope.
- Despite its robust construction, the trainer feels rather light on the foot, based on some reviews.
- The forefoot flexibility is sufficient for jumps and runs, according to an expert reviewer.
2 reasons not to buy
- A significant number of negative comments mention the narrow fit of the shoe. Some wearers complain that it results in reduced stability, cramping, and blisters.
- Several purchasers have taken dim view of the shoe's steep price.
Bottom line
The Tribase Reign is the brand’s first attempt to create a devoted CrossFit trainer. Based on all the positive feedback that it has received, it can be considered a success. The wearers marvel at the support and stability it gives for various exercises. Its overall design has also pleased many users.
The main caveat about the trainer lies in its narrow fit. It hasn't let a number of buyers enjoy the shoe’s benefits to the fullest. But for those who managed to get the right fit, this shoe has become one of the top choices for cross-training.
Tip: see the best crossfit training shoes.
Good to know
The Under Armour TriBase Reign is the brand’s first dedicated CrossFit shoe. It is made of quality materials that can endure rigorous workouts. The upper uses ripstop, a highly durable fabric, and mesh to deliver a supportive structure that still allows the foot to move naturally.
The Micro G foam makes up the midsole of this trainer. This low-profile platform is responsive and is designed to attenuate shock.
The underside utilizes the TriBase technology. The forefoot section is created to be flexible while the sides support torsional flexibility. The rubber outsole stays grippy even on wet gym floors.
Update. The TriBase has been taken to the next level in the shoe's second edition.
The Under Armour TriBase Reign features a full-length rubber outsole. It is hardwearing to prevent an early breakdown of the midsole.
The TriBase technology refers to the three zones of the outsole. The forefoot features flex grooves that help with the upward and downward movements of the feet. The construction of the rubber under the toes intends to prevent slipping during push-ups and burpees. As for the sides of the TriBase, they aim to aid in torsional flexing that happens during quick lateral cuts.
The rubber wraps the medial and lateral sides of the shoe at the midfoot. This element protects the midsole and a section of the upper from abrasion during rope climbs.
This pair of Under Armour training shoes is equipped with the Micro G midsole. This foam technology is manufactured to be 30% thinner than the conventional foam to deliver a low-to-the-ground disposition which helps in keeping the foot stable. Despite its thin appearance, its shock attenuation properties are similar to those of thicker platforms. It compresses but quickly bounces back to its original form for an explosive take-off.
The 2-mm offset positions the heel only slightly higher than the ball of the foot. This low elevation is common for CrossFit shoes because it helps keep the rearfoot steady, especially during weight training.
Inside the trainer is a non-removable insole. It prevents slippage and enhances the shock absorption of the midsole.
The Under Armour TriBase Reign employs the ripstop material for its upper. Ripstop is a type of fabric that has reinforcement threads interwoven into it at regular intervals to make it tear- and rip-resistant. The forefoot and the lateral quarter use a durable mesh with abundant perforations to keep the interior ventilated.
Synthetic overlays line the toe box, the eyestay, and part of the medial side of the midfoot. They amplify the durability of the underlying fabric to prevent it from disintegrating quickly.
A lace-up closure allows users to adjust the midfoot fit. It does not have a plush interior, but the upper is crafted to mold onto the feet for a secure foothold.
There’s a plastic component that is attached at the heel and rises to about a third of the rearfoot. It acts as an external heel cup that keeps the back of the foot steady during dynamic movements.
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