Upper: Mesh, Polyester, PU (Polyurethane). Outsole: TPR. Fabric Technology: Breathable, Isotex, Waterproof. Angled Lugs, Cushioned, Die Cut Footbed, EVA Footbed, Reduced Clogging, Sealed Seams. Flat. Cut: Ankle. Design: Logo. Toe Style: Round. Fastening: Ghillie Lacing. Sole Features: Self-Clean.