The Fresh Foam X Hierro v9 features a dual-density Fresh Foam X midsole with approximately 3% bio-based content for enhanced cushioning. A softer top layer provides comfort, while a firmer bottom layer ensures stability on uneven surfaces. The Vibram Megagrip outsole incorporates Traction Lug technology and a revamped tread pattern for grip on both wet and dry terrain. Toe Protect technology shields against rocks, roots, and debris, while a gusseted tongue provides a secure fit. breathable and protective synthetic and mesh upper lace closure
