Design: Water resistant rip-stop nylon with custom quilted design Adjustable polyester jacquard webbing with injection molded ladder lock buckle keeps the foot secure In-Shoe Comfort: Soft fleece lining for all day comfort EVR with molded LUVSEAT(R) contour in a combined midsole/outsole, for superior fit without a separate footbed Durability & Traction: EVR with molded LUVSEAT(R) contour in a combined midsole/outsole, for superior fit without a separate footbed 3 mm lug depth for improved traction Additional Details: Vegan-friendly construction Due to extra cushion, this product runs small. Chaco recommends ordering 1/2 size up.