Women's GOwalk 2. Designed with innovative Skechers Performance technologies and materials,it's built from top to bottom specifically for walking. Nearly weightless synthetic and mesh upper,Flatlock stitching for a nearly seamless upper with a flexible,slip-on design,Soft smooth fabric lining for easy barefoot wear,Weight : Radically lightweight 4 oz. per shoe based on a women's size 7. Resalyte Midsole - proprietary lightweight injection-molded compound with memory retention helps absorb impact,V-Stride technology features unique angled outsole that complements a natural walking gait and promotes fluid stride transitions,Four way stretch mesh at front for greater flexibilty and comfort.