The Zermatt is BIRKENSTOCK's first true slipper. It features the iconic cork latex footbed, and to keep you extra cozy, it’s fully lined in genuine shearling that will keep your feet warm all winter long. The upper consists of soft genuine wool. Anatomically shaped cork/latex footbed lined with shearling Upper: wool felt Footbed lining: shearling Sole: latex Details: Decorative stitching Made in Germany Men's Birkenstock Zermatt Shearling