Reef X-S-1 flip flops. Comfortable synthetic faux nubuck upper textile lining. Micro injected inlay strap design details. Contoured compression molded EVA footbed with anatomical arch support. Drainage system to drain water off the footbed for traction and comfort. Injected molded TPU (thermal polyurethane) lightweight midsole design. Durable and grippy rubber outsole with built in bottle opener. Imported.