New Balance Fresh Foam X Hierro v9 - Grey/Black - 10.5

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Currently unavailable
The New Balance Fresh Foam X Hierro v9 is designed for adult trail runners who demand a blend of plush cushioning and rugged reliability on challenging terrain. Featuring advanced dual-density foam and a high-traction Vibram outsole, these trainers excel at providing comfort during long-distance excursions, though the aggressive lug pattern may feel slightly firm on paved road surfaces.
| Age Group | adult |
|---|---|
| Colour | Grey |
| Gender | Male |
| Shoe Size UK | 10.5 |
| Accent Colour | Black |
| Shoe Type | Trainers |
| Series | Fresh Foam X Hierro v9 |
| Model Part Number | MTHIERZ9 |
| Brand | New Balance |
This standard version is designed for breathability, not waterproofing. For wet conditions, look for the GORE-TEX variants within the Hierro v9 series.
Yes, they generally fit standard adult sizing. If you prefer extra room for thicker socks, consider a half-size increase.
They can be used on roads, but the deep 6mm lugs may wear down faster on asphalt and will feel less smooth than a dedicated road shoe.
Generally, trail running shoes should be replaced every 300-500 miles, depending on the intensity of the terrain and your weight.
Use a damp cloth and mild soap. Gently scrub the stained area and rinse with a clean, damp cloth. Do not machine wash.
Ensure the gusseted tongue is pulled tight against the instep to maintain the debris-blocking seal.
Use a double knot or a runner's loop to secure the laces given the technical nature of trail running.
Check that the knit upper has not snagged on thorns or sharp rocks during your run; mend small snags immediately to prevent them from growing.
For the best fit, ensure your socks are designed for trail running to complement the breathable knit upper. To maintain the shoes, remove loose dirt after each run using a soft-bristled brush. If the shoes become muddy, hand-wash them with cold water and a mild detergent; avoid soaking them in high-heat water or placing them in a tumble dryer, as this can damage the foam and knit fibres. Always air dry your trainers in a well-ventilated area away from direct sunlight to preserve the integrity of the cushioning and the upper material.