Chaco Z/Volv 2 polyester Imported Rubber sole Heel measures approximately 1" Platform measures approximately 0.75 inches Polyester jacquard webbing upper wraps around the foot and through the midsole for a customized fit Toe loop for secure movement; Injection-molded ladder lock buckle ; Topographic textured grooves on footbed for traction Adjustable and durable high-tensile webbing heel risers Luvseat pu midsolewith extra-soft pu compound Z/volv outsolewith non-marking ecotread 25 percent-recycled rubber compound with 3mm z-inspired lugs