Skechers Uno Stand On Air Womens Classic air-cushioned comfort gets a fresh update in Skechers Street Uno – Stand on Air. This lace-up fashion style features a smooth perforated synthetic upper with an Air-Cooled Memory Foam insole, and a Skech-Air visible air-cushioned midsole. Features Skechers Air-Cooled Memory Foam comfort insole Skech-Air visible air-cushioned midsole Smooth synthetic ‘durabuck’ perforated upper Flexible rubber traction outsole .