The Birkenstock Zermatt Shearling FE Clogs are Birkenstock's first true slipper, designed for ultimate winter warmth. They feature the iconic cork latex footbed, fully lined with genuine shearling for superior comfort. The upper is crafted from soft, genuine wool felt, ensuring your feet stay cozy. Anatomically shaped cork/latex footbed lined with shearling. Upper material: Wool felt. Footbed lining: Shearling. Sole: Latex. Details include decorative stitching.