Verdict from +100 user reviews

5 reasons to buy

  • The majority of the wearers praised the Nike Train Prime Iron Dual Fusion for being a lightweight, comfortable, and breathable cross-training shoe.
  • Numerous consumers admired its aesthetically pleasing design due to its clean and low-profile form.
  • A few gym buffs have noted that the shoe had a comfortable and precise fit.
  • Many CrossFit and other cross-training enthusiasts lauded the shoe’s versatility in tackling various forms of physical activity, including weightlifting, running, and plyometrics.
  • Several budget-conscious buyers found its price tag of $80 to be of good value compared to other good-performing weightlifting and CrossFit-appropriate shoes.

2 reasons not to buy

  • A significant number of users felt that the shoe was too tight against the top and side of the foot.
  • Some critics have reported that some of the lace loops broke easily after a few uses at the gym.

Bottom line

The Nike Train Prime Iron Dual Fusion is a breathable and comfortable cross-training shoe that was widely celebrated by fitness buffs for its versatility. Many buyers also appreciated its stylish design and comfortable fit. Even though a good number of people complained about the shoe's narrow fit, the majority considered this a good deal for its quality and performance. 

Tip: see the best training shoes.

Good to know

  • The Nike Train Prime Iron Dual Fusion is designed to be a versatile cross-training shoe that delivers the required flexibility for calisthenics and cardio exercises, as well as traction and support for weightlifting. Its clean and sleek design features an upper made of mesh and synthetic skins. There are also Flywire cables installed across the forefoot for a secured foothold. The sidewalls have been extended for additional support.
  • The dual-density midsole is made of Phylon and marked with deep flex grooves.
  • Made from rugged rubber, the outsole is textured with geometric patterns.

The Nike Train Prime Iron Dual Fusion has a true-to-size fit. It is a men’s cross-training shoe that follows standard sizing for the length and D-Medium sizing for the width.

The rubber outsole of the Nike Train Prime Iron Dual Fusion has strategically shaped patterns embossed all over the sole for optimal multi-directional traction, ensuring a strong grip regardless of the movement or ground condition.

The Nike Train Prime Iron Dual Fusion’s Phylon midsole has a dual-density heel that delivers a balance of support and cushioning. It features a firm foam carrier for improved sturdiness and a softer foam core for shock absorption. This affords the shoe the versatility it needs to meet the demands of both weightlifting and cardio exercises. This is further enhanced by the deep forefoot flex grooves that allow the foot to move naturally.

The heel offset of 4 mm enables the foot to be in its natural position to help improve weightlifting stance.

The Nike Train Prime Iron Dual Fusion has an upper made of mesh and synthetic skins to provide lightweight support and breathability.

The foot is locked down with an adaptive lacing system boosted with Flywire cables across the forefoot to ensure that the foot is locked down through all movements.

The sidewalls have also been enhanced for additional sturdiness during diagonal and lateral movements.

How Train Prime Iron Dual Fusion compares

This shoe: 80
All shoes average: 79
56 93
This shoe: $80
All shoes average: $87
$30 $300
This shoe: 10oz
All shoes average: 10.2oz
3.9oz 16oz
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.