Design: Durable ripstop mesh upper Original FootShape™ Fit offers a roomy toe box In-Shoe Comfort: Altra® EGO™ foam is designed to harmonize the balance between responsiveness and comfort Durability & Traction: MAXTRAC™ grippy outsole provides the perfect combination of grip, traction, and durability on all types of terrain Additional Details: Weight: 10.7 oz / 303g Stack Height: 25mm Drop: 0mm