New Balance Hierro v9 waterproof the dynamic top is soft

the dynamic top is soft and fast drying

Large mesh structure on the instep improves airflow and ventilation

increased stack height with more PEBA foam

stride length and ground contact time

New Balance Hierro v9 waterproof the dynamic top is softThe New Balance 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. Key Features