Upper: Mesh. Insole: Arch Fit, Removable. Midsole: Hyper Burst. Outsole: Durable, Goodyear, Synthetic. Fabric Technology: Hyper Burst. Arch Support. Flat. Design: Gradient, Logo. Toe Style: Round. APMA Seal Of Acceptance. Sole Features: Carbon Infused. Fastening: Lace Up, Slip-on.