85% polyurathane, 15% polyester. Lightweight sports mesh and PU upper. Spandex lining for extra comfort and a positive fit. Lightweight webbing upper straps. Adjustable hook and loop straps across foot and heel to ensure correct fit. Moulded instep stability arm. Water friendly comfort EVA footbed. Lightweight TPR outsole - hardwearing slip resistant durable outsole. Ref: UTRG4102