Women's New Balance® Fresh Foam X Hierro v9 :: Build momentum in your updated Women's New Balance Fresh Foam X Hierro v9 trail running shoes. Revamped with a 4mm drop and updated dual-density Fresh Foam X midsole, it combines a softer top layer for plush cushioning with a firmer bottom layer for stability on rugged paths. The Vibram® Megagrip™ outsole with Traction Lug™ technology grips wet and dry ground, while Toe Protect keeps your feet shielded from rocks and roots. The gusseted tongue provides a snug, debris-free fit, and its bold new colors on the Fresh Foam X Hierro v9 let you stand out,or blend in with environments you're blazing.