Material Composition: Textile/Textile/Other Materials Upper Outer Material: Textile Lining Material: Textile Sole Material: EVA Water Resistance: Not Waterproof Fastening: Slip On Step into effortless comfort with Skechers Hands Free Slip-ins: Ultra Flex 3.0. Designed with an exclusive Heel Pillow. This style features a Stretch Fit engineered knit upper, plus a cushioned Skechers Air-Cooled Memory Foam 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 Skechers Slip-ins: Ultra Flex 3.0 - Easy Win | Black | Women's Cushioned Memory Foam Trainers