Chaco Men's Z/2 Classic Sandal in Spray Navy You’ll enjoy the podiatrist-approved footbed and the new ChacoGrip™ outsole that handles any terrain. Polyester jacquard webbing upper wraps around the foot and through the midsole for a customized fit Toe loop for secure fit Adjustable and durable high-tensile webbing heel risers Injection-molded ladder lock buckle