Material Composition: Other Materials/Textile/Other Materials. Upper Outer Material: Synthetic. Lining Material: Polyester. Sole Material: EVA. Water Resistance: Not Waterproof. Fastening: Elastic Lace with Riptape Play all day in easy-wearing comfort with Skechers Microspec Max Advance. This lightweight stretch-laced design features a mesh and synthetic upper, Skechers Adaptive Closure, visible Skech-Air airbag midsole and a cushioned comfort insole. Skech-Air visible airbag midsole, Skechers easy on, easy off Adaptive Closure for a customised fit, Cushioned comfort insole. Skechers Microscope Max Advance | Black/Blue/Line | Boy's Lightweight Stretch-Lace Trainers