Send your feet on a much-needed tropical vacation with these super light and comfortable thong sandals from Birki's by Birkenstock. Molded flexible thong sandal upper with a round toe thong post and a one piece design for a smooth seamless lining. Cushioned contoured textured footbed with perforated edges to keep things light. Shock absorbing midsole and a traction patterned outsole. Possibly the lightest comfort sandal available!