The Skechers Street™ Uno - Stand on Air shoe is a reinterpretation of classic comfort with cushioning. It features a smooth perforated synthetic upper, an Air Cooled Memory Foam insole, and an air-cushioned midsole with visible Skech-Air technology. The fit is ensured by the 2.5 cm wedge and hidden heel. The upper is made of smooth "durabuck" synthetic material and the rubber sole offers excellent traction, all accompanied by a comfortable Skechers Memory Foam insole. The heel height is3.8 cm