The Go Walk Flex Mule Sandals by Skechers are the perfect blend of style and comfort. These strappy sandals feature a machine washable, airy and elasticated textile upper. The soft textile lining and Ultra Go cushioning provide exceptional comfort and a lightweight feel. The slightly profiled synthetic outsole ensures durability and stability. Give your feet a break with these flat, versatile mules. Upper: Textile Sole: Synthetic. Key features include Ultra Go Contoured Goga Mat Footbed, Goga Mat Technology, and they are machine washable.