Kid's Grade School Chaco ZX/1 Ecotread - Crust Multi 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. DETAILS: UPPER: 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 MIDSOLE: Durable LUVSEAT™ PU midsole Slip-resistant classic diamond pattern design Vegan-friendly construction OUTSOLE: Kids Classic outsole Non-marking EcoTread™ 25%-recycled rubber compound 2mm lug depth