Uneven terrain, debris, and moisture are unique challenges to adventure footwear that require specialized construction. For those who take going off the beaten path literally, there's the New Balance Fresh Foam X Hierro, a dedicated, off-road application of our best running technology. The Fresh Foam X Hierro v7 employs a Vibram Megagrip outsole to create a protective shell of durability and traction around the signature Fresh Foam X cushioning and a breathable, lightweight upper.