Built around the contours of the Birkenstock footbed, the new Birki Air 2.0 clog ushers in the next generation of our Professional line with an innovative, fluid-resistant design. Side air vents help draw fluid away and improve breathability. With all the extras, like a detergent-friendly buckle, convertible backstrap and contoured PU footbed to support you through long hours on your feet. Put comfort to work.