"The BIRKENSTOCK Kay is a classic clog featuring a convertible backstrap with a buckle closure that can swivel back for a more secure fit. The upper is made from the skin-friendly, hard-wearing synthetic material Birkibuc®." -BIRKENSTOCK US
Anatomically shaped cork-latex footbed
Upper: Birkibuc®
Footbed lining: suede
Sole: EVA
Details: two flexible straps, each with an individually adjustable metal tongue buckle
