Upper: Synthetic. Insole: Air Cooled, Cushioned, Memory Foam. Outsole: Synthetic. Composite Safety Toe, Heel Pillow, Sketchers Slip-Ins Heel Panel. Fabric Technology: Slip Resistant. Flat. Cut: Low Cut. Design: Logo, Plain. Toe Style: Round. Fastening: Bungee Lacing, Loop, Slip-on.