The New Balance Fresh Foam X Hierro v8 is perfect for those who literally go off the beaten track, as its running technology is specifically designed for off-road use. The shoe features a Vibram outsole that forms a protective shell of durability and traction around the signature Fresh Foam X cushioning and a breathable, lightweight upper.- Fresh Foam X midsole provides the ultimate in Fresh Foam cushioning and unparalleled comfort- Micro-traction lugs from Vibram- Upper with breathable, yet protected construction New Balance New balance fresh foam x hierro v8