Chaco Men's Z1 Classic Sandal Patched Beech UPPER: 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: Women's specific LUVSEAT PU midsole. Antimicrobial application for odor control. Vegan-friendly construction. 3mm lug depth Chaco Men's Z1 Classic Sandal Patched Beech