Columbia Women's Sun Trax Sandal 100% Synthetic Non-Absorben upper, quick-drying snthetic nubuck with emossed detail, soft jersey knit lining, two-point hook, and loop adjustable strap Techlite injection-molded midsole material with a contoured shape for comfort and cushioning Nylon shank for additional support Molded non-marking Omni-Grip rubber compound outsole with molded siped tread pattern for traction control