Meet the ultimate slipper - The classic Zermatt is now available in a cozy premium design. The Zermatt Premium Slipper from Birkenstock features a genuine shearling lining and an rubber outer sole, making it ideal for lounging indoors and outdoors. All the comfort of a slipper with the Birkenstock support you've come to know. The upper is made from soft suede. The perfect holiday gift for any Birkenstock fan.