New Balance Fresh Foam X Hierro v8 trail sneakers combine plush Fresh Foam X cushioning with a lugged Vibram outsole for confident traction on trails and around town. Model: Fresh Foam X Hierro v8 (style UHIERAA; listed as UHIERAAGREY on some retailers). Key attributes: Gray | Grey | Synthetic/mesh | Fresh Foam X midsole cushioning | High-stack midsole for added underfoot protection | Vibram Eco Step outsole for durable trail traction | Trail-ready lug pattern | Lace closure | Low-top silhouette | Synthetic and mesh upper | Protective toe overlay | Dimensions & fit: 8 mm drop (approx.) | Standard width (selectable)