Design: Swiss-engineered for soft rides on hard-packed trails Perforated tongue TPU mudguard In-Shoe Comfort: Helion™ superfoam with CloudTec® technology for unbeatable comfort Durability & Traction: Missiongrip™ outsole delivers enhanced traction and a grip-rubber compound to keep you sure-footed Additional Details: Best for: Short to mid distance trail runs in moderate off-road conditions Buying a half size up in this model is recommended Total recycled content: About 15% / Polyester: about 70% recycled Weight: 9.88 oz (280 g) Heel-toe drop: 7 mm