CHACO ZX/1 ECO TREAD SOLE BIG KIDS SANDAL - A webbing pattern inspired by the classic basket weave, two narrow polyester straps in the Custom Adjust’em system offer a more secure fit by conforming to the curves of mini feet. ChaPU™ midsole on the contoured LUVSEAT™ platform footbed provides lasting arch support and body alignment for little ones. Easy on/Easy off. Machine Washable. Polyester webbing. Non-marking. LUVSEAT™ platform. Adjustable instep fit. EcoTread™ outsole contains 25% recycled content.