Chaco Women's Zvolv X2 Athletic Sandal 100% Polyester Imported Rubber sole Heel measures approximately 1 inches" Double-strapped polyester jacquard webbing upper wraps around the foot and through the midsole for a customized fit Adjustable and durable high-tensile webbing heel risers Injection-molded ladder lock buckle Topographic textured grooves on footbed for traction Non-marking ecotread 25%-recycled rubber compoundwith 3mm z-inspired lugs