Shoe Science says about Hierro

It excels in providing a cushioned ride, making it suitable for longer, less technical trail runs and even some road-to-trail transitions.

Our rating is based on performance in motion.

• Trail : Daily trainer
• Trail Grip - 6/10
• Rotation - with 1080 (Daily road trainer), Supercomp Elite (Race)
• Forward transition - 6/10
• Dynamic stability - 6/10
• Dynamic cushioning - 7/10

New Balance key stats

• Width - D is wider than standard.
• Weight - 234 gms
• Rear stack - 42 mm
• Forefoot stack - 38 mm
• Offset - 4 mm

New Balance says

The Fresh Foam X Hierro v9 offers ultimate reliability for adventurous terrain, with technical features designed specifically for the trail runner. Dual-density cushioning combines plush comfort with a more stable underfoot feel. A Vibram® outsole features a revamped tread pattern and deeper, 6mm lugs, for superior traction, and a knit upper with a gusseted tongue is breathable, while helping to protect against loose debris.