Chaco Z1 Classic Review: The Most Versatile Outdoor Sandal 。Chaco Z/1 Classic sport sandals in a versatile black and grey colorway. These durable outdoor sandals feature the signature adjustable polyester jacquard webbing straps that wrap around the foot and through the midsole for a customized fit. Built on the podiatrist-certified LUVSEAT PU footbed for all-day comfort and support, they are finished with a non-marking ChacoGrip rubber outsole for excellent traction on both wet and dry surfaces. The open-toe design without a toe loop allows for easy on-and-off and compatibility with socks. Measurements: • Heel to Toe: 11\" • Width: 4.25\"