Material Composition: Other Materials/Textile/Other Materials Upper Outer Material: Synthetic Lining Material: Polyester Sole Material: EVA Water Resistance: Not Waterproof Fastening: Slip On Step, go, and bring on the lights with a fun pair of Skechers Hands Free Slip-ins S-Lights: Hypno-Flash 2.0 - Brisk-Brights. This lightweight sporty design features a mesh and synthetic upper, lighted midsole and our exclusive Heel Pillow, 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 Hypno-Flash 2.0 - Vexlux | Black/Red | Childrens Light Up Trainers