Fresh Foam Hierro v9 Trail Run Shoe - Women's
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Fresh Foam Hierro v9 delivers plush cushioning, rugged traction, and all-day comfort for any trail adventure
What Our Gearhead® Experts Are Saying:
"I love how the Fresh Foam Hierro v9 blends comfort and durability for long days on the trail. The Fresh Foam X midsole gives me soft, responsive cushioning that keeps my legs feeling fresh, while the Vibram Megagrip outsole grips confidently on loose dirt and rocky paths. The breathable mesh upper keeps things cool, and the reinforced Toe Protect feature adds peace of mind on technical terrain. Whether it's a short morning jog or a full-day mountain adventure, this shoe handles it all with ease."
We head into the mountains with confidence when we’re wearing the New Balance Fresh Foam Hierro v9. Designed to tackle rugged terrain with ease, this trail runner balances plush cushioning and dependable traction for everything from casual trail jogs to high-mileage adventures. The Fresh Foam X midsole provides soft yet responsive comfort, absorbing impact while propelling us forward with each step.
Traction is key on unpredictable trails, and the Vibram Megagrip outsole ensures reliable grip on dirt, rock, and mud alike. A breathable engineered mesh upper keeps our feet cool while the Toe Protect overlay shields against roots and debris. Whether we're running winding singletrack or pushing our limits on technical terrain, the Hierro v9 delivers the support and durability we need to keep going.
Details
- Versatile trail running shoe built for long-distance comfort and technical terrain
- Fresh Foam X midsole provides soft, responsive cushioning for smooth strides
- Vibram Megagrip outsole delivers reliable traction on rocky and uneven surfaces
- Engineered mesh upper enhances breathability while maintaining a secure fit
- Toe Protect technology shields against debris and rugged trail obstacles
- 4mm drop encourages a natural running gait on varied terrain
- Item #NEWZ1OK
- Upper Material
- engineered mesh
- Lining
- textile
- Closure
- lace
- Midsole
- Fresh Foam X
- Sole
- Vibram Megagrip
- Cushion
- maximum
- Heel / Forefoot Height
- 33/29mm
- Drop
- 4mm
- Activity
- trail running
Reviews
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Overall Rating
4.5 based on 196 ratings
Review Summary
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Here's what customers have to say
The product offers excellent cushioning, grip, stability, and overall comfort for a wide range of outdoor activities. It performs well on varied terrain, including mud, sand, and concrete. However, some users experienced instability on uneven ground, a higher sole profile reducing ground feel, and an uncomfortable shifting tongue. Sizing may also be an issue, with the shoes potentially running small or narrow for some individuals.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageOctober 27, 2025
Uncomfortable
I have many pairs of NB shoes, including earlier models of these. Was surprised that these aren't comfortable like all my other shoes. In particular, it feels like there's a pressure spot (behind second toe) and like my forefoot is being strangled. Doesn't matter how much I tighten or loosen them. I thought maybe I hadn't ordered (or received) wide shoes accidentally, but nope. I've worn them on a few 10 km runs hoping they'd get more comfortable but they don't. I've gone back to wearing my old pair.
Originally reviewed on New Balance US
October 26, 2025
Comfortable right out of the box
These shoes felt great and light right out of the box, with no toe-rubbing after 3 days of brisk 5-mile walks. Stylish, and I appreciate the half-inch height boost. The Vibram soles sealed the deal, as I typically wear out non-reinforced soles in a matter of months. The NB store is only a five-minute walk from my door.
Originally reviewed on New Balance US
October 25, 2025
Super Comfort
Extreme comfort and stability. Good quality of the material
Originally reviewed on New Balance US
October 25, 2025
Wobbly; rolled ankles aplenty
Purchased these for hiking- I own several pairs of 880s so assumed they’d be similar. The soles are so squishy/ cushy it makes it hard to balance doing simple tasks like walking down a flight of stairs (I’m in my 20s and have literally never struggled with that task). Worn for less than 30 minutes and rolled my ankle several times. I normally buy shoes that are more geared towards stability so it’s definitely my bad; but if you tend to roll your ankles or have hypermobility these are not for you!
Originally reviewed on New Balance US
October 24, 2025
Thick soles and toe protection, but affects gait
Pretty thick soles and overall sturdy shoe, except the upper material is just mesh-type stuff that soaks in wet conditions and is easily caught onto sharp edges. The toe part is reinforced, which is nice for trail environments. I find the "step" of these shoes very disruptive to my natural gait. It forces one to bounce up and down instead of making progressive heel-toe steps. I find the shoes insufferable to wear on concrete, but they're wonderful on rocky terrain and forest floors. Definitely a specific activity is meant for these shoes. They also run smaller than the other shoes sold by NB.
Originally reviewed on New Balance US
October 24, 2025
Excellent shoe
The sole is amazing. I was a little worried about roominess in the toebox, but that's great as well. Love the shoe!
Originally reviewed on New Balance US
October 23, 2025
Great All Rounder
Love these sneakers! They go easily from bushwalks, giving me noticeable grip on trails - to work where they make my step super bouncy, great for someone who works on their feet. They're a great purchase
Originally reviewed on New Balance AU
October 22, 2025
Prefer older model
I wasn’t too impressed with the change in the Hiero. There is almost too much cushion now, and too much rocker. They are more like Hoka now, with very little support in the back of the sole. I absolutely loved the original Hiero, and have several pair. They were the most comfortable shoes for trail running, running & walking my dog, walking, and even weightlifting. The new ones are really only good for running and walking, I’d be afraid to run my dog with these.
Originally reviewed on New Balance US
October 22, 2025
Good looking and rugged!
Hiked Sedona trails for 8 days straight…perfect comfort and support!
Originally reviewed on New Balance US
October 20, 2025
Cruise control ON wind in the hair
Cadillac DeVille, think 1980, on the feet. Cruising through the trails in a plush dream. Take em’ for a spin and you won’t look back.
Originally reviewed on New Balance US
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