Innovative and highly responsive 5GEN‚® midsole cushioning 5th Generation design provides a high energy return on every step Mesh upper engineered to naturally expand with your foot while you walk Lightweight mesh fabric for breathable and comfortable fit Bamboo lined footbed for anti bacterial odor control Goga Pillars‚® on outsole evolved into a more streamlined design New Skechers Goga Max insole for next generation cushioning and support Tapering midfoot design for improved arch support Weight: 5 1/4 oz. per shoe in a Women's size 7 Athletic mesh fabric upper Soft smooth mesh underlay fabric Highly breathable lightweight and comfortable upper design Mesh fabric overlays at toe, heel and instep for added durability Featherweight sockliner adapts to the foot while you walk Natural expansion provides a comfortable, natural fit Stabilizing heel fabric overlay panels Side S logo Quick-Fit Portal on heel for easy pull on wear