We spent 6.9 hours reading reviews from experts and users. In summary, this is what training geeks think:

6 reasons to buy

  • A considerable number of users admired the versatility of the Minimus 40 Trainer; it worked well for all aspects of CrossFit WODs, HIIT workouts, weightlifting, and short running sessions.
  • Many people enjoyed the low-profile midsole which helped them feel grounded and stable throughout the workout.
  • The trainer was described as lightweight by the majority purchasers.
  • A good number of wearers lauded the grippy and durable Vibram outsole.
  • Multiple wearers agreed that the shoe feels comfortable on the foot.
  • The style and color options of the product delighted most customers.

2 reasons not to buy

  • A handful of buyers experienced durability issues after only a few weeks of using the trainer; some of them wrote that the outsole unit detached from the upper, while others griped about the ripped upper.
  • Several users found the sole unit too cushiony for heavier squats and deadlifts.

Bottom line

The lightweight, flexible, and low-profile construction of the New Balance Minimus 40 Trainer made it a comfortable workout shoe for various aspects of cross-training. It was also considered sturdy enough for moderate weightlifting.

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The New Balance Minimus 40 Trainer is a minimalist workout shoe that was crafted to suit the various needs of cross-training aficionados. It is marketed as the most run-friendly Minimus training shoe due to the minimal, yet responsive cushioning. It is delivered through the proprietary Rapid Rebound foam, as well as the REVlite compound in the heel.

The Minimus 40 Trainer utilizes a Vibram rubber outsole to provide athletes with boosted multi-directional traction and protection against abrasion. The sole extends to the lateral and medial sides for added lateral stability and security.

The geometrical flex grooves throughout the unit make sure that the natural flexibility of the foot is not hindered.

The New Balance Minimus 40 Trainer uses the Rapid Rebound foam for a cushioned and responsive ride. It is claimed to give more energy return than the standard foam.

The REVlite technology features a foam compound for extra shock absorption in the heel section. The material is 30% lighter than other New Balance foams, but it offers the same responsiveness and durability.

A 4-mm heel-to-toe differential offers a relatively flat disposition. It helps in keeping the foot stable during lifts and lateral movements. A low-profile construction offers a more sensitive ground contact.

The upper unit is made up of a woven synthetic mesh to provide lightweight and breathable coverage. It is also designed to be flexible, bending along with the foot without creating any pressure points.

The shoe is reinforced with synthetic rubber overlays for more structured support and protection against wear and tear.

A molded external heel cup is made of a lightweight and sturdy TPU material to hold the rear firmly in place throughout the training session.

Nicholas Rizzo
Nicholas Rizzo

Nick is a powerlifter who believes cardio comes in the form of more heavy ass squats. Based on over 1.5 million lifts done at competitions, his PRs place him as an elite level powerlifter. His PRs have him sitting in the top 2% of bench presses (395 lbs), top 3% of squats (485 lbs) and top 6% of deadlifts (515 lbs) for his weight and age. His work has been featured on Forbes,, Elite Daily and the like. Collaborating along the way with industry leaders like Michael Yessis, Mark Rippetoe, Carlo Buzzichelli, Dave Tate, Ray Williams, and Joel Seedman.