Go the distance in the Olympus 7. It’s plush, light, and soft with fierce Vibram® grip for extra comfort and confidence—on any terrain, all day. The updated Altra EGO™ MAX midsole foam is 15% lighter and 10% softer than the previous version to help keep you feeling fresh mile after mile. A Vibram® Megagrip outsole with TractionLug™ delivers adaptive traction and stability on wet or dry terrain. A plusher tongue, integrated comfort collar, breathable engineered mesh upper, and molded TPU overlays add comfort, protection, and durability. Altra’s Original FootShape™ Fit gives your toes room to move naturally, while the zero-drop platform supports a natural stride. Best For: Trail Running, Long-Distance Trail Running Heel-to-Toe Drop: 0mm Upper: Engineered mesh with molded TPU overlays Midsole: Altra EGO™ MAX Outsole: Vibram® Megagrip with TractionLug™ Cushion: High Stack Height: 33mm Support: Neutral FootShape™: Original