From Martha Stewart x Skechers, the Women's Slip-Ins Arch Fit Glide-Step Elevate Smoke Show Sneakers feature: Knit fabric upper Podiatrist-designed shape developed with 20 years of data and 120,000 unweighted foot scans Skechers Hands Free Slip-Ins™ molded heel panel Patented Skechers Arch Fit® insole system with podiatrist-certified arch support Removable insole helps mold to your foot to reduce shock and increase weight dispersion Glide-Step® geometric midsole designed to provide natural momentum with every step Rubber outsole Imported.