Tuned using the principals of ZerØgrand and a generous amount of compression molded ground contact. Grand foam for a lightweight plush ride. A breathable mesh bootie wraps the foot in a comfortable sock like support that enhances fit and control while keeping your shoe debris free. Integrated rubber pods provide additional grip and durability. Internal supports deliver stability and security through the midfoot. Premium details and contemporary styling merge with running performance to create comfort and versatility. 192004647708