Reddit · r/trailrunning · Jun 10, 2026 · summarized
NegativeHaving worn Hierros since the v5, they find the v9 much narrower than earlier versions and cannot wear it.
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New Balance Fresh Foam X Hierro v9 Reviews
Trail
Runners praise the New Balance Fresh Foam X Hierro v9 for plush cushioning, good grip and comfort on easy trails and long days.
How the signal works
The signal score
A score out of 100 for how well reviewed a product is next to others of its kind. It rises with positive reviews and with how many there are; negative and mixed reviews take points off. The best in each category scores in the 90s.
So a handful of glowing reviews can’t beat a product lots of people like. No sponsored placements.
What people mention
Common concerns
Real runner experiences (32)
Add your reviewShowing 2 reviews mentioning narrow fit Show all
Reddit · r/trailrunning · Mar 23, 2025 · summarized
MixedLikes the shoe but its toe box is too narrow and gives them insane blisters on the big and pinky toes, so it is limited to shorter runs.
Common questions about New Balance Fresh Foam X Hierro v9
What do runners say about New Balance Fresh Foam X Hierro v9?
Runners praise the New Balance Fresh Foam X Hierro v9 for plush cushioning, good grip and comfort on easy trails and long days. The main downside is instability, with many reporting the foot rolling inward or the shoe feeling tippy at its high stack. A few get blisters from the toe cap, and some see early wear.
Is New Balance Fresh Foam X Hierro v9 worth it?
Of the 32 reviews with a clear verdict, 50% are positive, 16% mixed and 34% negative. The praise mentioned most is great cushioning. The most common complaint is unstable.
What are the most common complaints about New Balance Fresh Foam X Hierro v9?
The complaints reviewers mention most: unstable (7 reviews), blisters (2 reviews) and narrow fit (2 reviews). For example: A 90 kg trail runner who owned three earlier Hierros found the v9 rolled completely to the inside within 100 km.
Where do these New Balance Fresh Foam X Hierro v9 reviews come from?
We collected and summarized 32 experiences shared on Reddit, YouTube and blogs, with links to the original sources. Reviews submitted here are checked for spam before they appear. Every review, submitted here or collected, is read as positive, mixed or negative.
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