Skechers Women's Cleo Sherlock Engineered Knit Loafer Skimmer Ballet Flat. These flats feature an Air-Cooled Memory Foam cushioned comfort insole for all-day support. The Skech-Knit engineered knit fabric upper provides a breathable and flexible feel. With a flexible rubber traction outsole, these slip-on casual dress comfort ballet flats offer both style and practicality.