Going off the beaten track? The Fresh Foam X Hierro, a dedicated, off-road application of the best running technology from New Balance. Uneven terrain, debris, and moisture are unique challenges to most footwear but is no feat for the Hierro V8.The Fresh Foam X Hierro v8 employs a Vibram Outsole to create a protective shell of durability and traction around the signature Fresh Foam X cushioning and has a breathable, lightweight upper. It's no wonder these trainers are fit for purpose and up to the task. All you need to do is choose the adventure and the Hierro V8 has your footwear covered.Fresh Foam X midsole foam delivers the most cushioned Fresh Foam experienceIncredible comfort.Micro-Traction Lug by VibramUpper features a breathable yet protected construction