Inspired by the classic basket weave, Chaco's ZX1 Vibram Yampa Sandals feature two narrow polyester straps for a more secure fit, while the contoured footbed provides lasting arch support and all day comfort. Vibram Yampa outsole for lightweight, low profile, slip resistant traction. ChaPU polyurethane midsole for durable support and comfort. Contoured Luvseat platform for lasting arch support and body alignment. Fast drying, soft, durable Custom Adjustem polyester straps. Double strap conforms to the curvatures of a womans foot for a more secure fit. Heel leash for front back stability. Outsole lug design helps evacuate water for increased traction. Open toe strap design allows for use with socks. Vibram Yampa outsole is resolable.