Chaco Women's Zvolv Athletic Sandal Textile Imported Rubber sole Polyester jacquard webbing upper wraps around the foot and through the midsole for a customized fit Adjustable and durable high-tensile webbing heel risers with injection-molded ladder lock buckle Women's specific LUVSEAT PU midsole made of extra-soft PU compound Topographic textured grooves on footbed for traction. Vegan-friendly construction. Non-marking EcoTread 25%-recycled rubber compound with 3mm lug depth