Chaco Men's Zvolv-W 100% Jacquard Webbing Imported Rubber sole Polyester jacquard webbing upper wraps around the foot and through the midsole for the ultimate customized fit with adjustable and durable high tensile webbing heel risers Custom injection molded ladder lock for a secure hold Durable, women's specific luvseat polyurethane footbed with topographic-inspired texture on footbed Embedded nylon shank for support Non-marking z and volv outsole with Eco tread rubber with 25 percent recycled rubber compound with 3 millimeter lug depth with all purpose tread design