Kid's Milano (Mocha)The BIRKENSTOCK Milano is perfect for kids. Featuring a backstrap with a hook and loop closure and adjustable straps for a secure fit. The upper is made from Birkibuc. Upper material: Birko Flor Nubuck The look and feel of Birko Flor Nubuck is an almost perfect imitation of authentic nubuck leather. Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other