Taking it to the trails, this men’s Hierro V7 is developed to handle the rigours of off-road running, alongside a high traction Vibram outsole to provide grip on difficult terrain. Weighing in at a hyperlight 301 grams, with New Balance’s engineered Fresh Foam midsole providing a highly cushioned ride over the most punishing of trails, while the breathable upper locks the foot in place. New Balance Men's Fresh Foam Hierro V7 - Green