The shoe's snug bootie construction is updated with a single-piece knitted upper for maximum airflow

allowing you to move confidently over the most challenging of terrains

Inov-8 have taken their popular Trailfly shoe and maxed it out with a generous slab of new FLYSPEED™ PRO foam

and the closed-cell construction allows water to drain quickly

engineered for speed

Men's New Balance Fresh Foam Hierro v9 Size:8.5 The shoe's snug bootie constructionThe New Balance Fresh Foam X Hierro v9 trail running shoe 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. The knit upper with a gusseted tongue is breathable, while helping to protect against loose