The Skechers Uno - Stand on Air is a popular, fashionable lace-up sneaker designed for daily comfort, featuring a smooth perforated synthetic ("durabuck") upper. It is best known for its visible Skech-Air air-cushioned midsole and Air-Cooled Memory Foam insoles. The shoe includes a concealed 1-inch wedge heel, totaling a 1.5-inch heel height