This lightweight slipon shoe is flexible and moves with you, made with technology and materials specifically for athletic walking. Soft nearly seamless knitted heathered fabric upper GO FLEX articulated segmented sole design provides anatomically correct ultra flexibility Resalyte sole proprietary lightweight injectionmolded compound with memory retention helps absorb impact Goga Mat technology Memory Form Fit design with memory foam padding around heel for a customfeel fit Flexible rubber sole provides durability and stability