New Balance Hierro v9 8mm this base layer ensures maximum

this base layer ensures maximum comfort and control with no distractions — just performance

extended battery life

Durable fabric built to handle repeated training and racing

do-everything roller for mobility

Lightweight perforated mesh construction

New Balance Hierro v9 8mm this base layer ensures maximumThe 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