Pick up the pace with increased ease-of-wear and superior comfort wearing Skechers Slip-ins®: Summits - Unknown Trail. Designed with our exclusive Heel Pillow™, this stretch-laced style features a vegan duraleather upper and a cushioned Skechers Air-Cooled Memory Foam® comfort insole.. Skechers Hands Free Slip-ins® for an easy fit . Exclusive Heel Pillow™ holds your foot securely in place . Skechers Air-Cooled Memory Foam® cushioned comfort insole . Crafted with 1% vegan materials .