Birkenstock Zermatt Shearling Wool Felt, Light Gray The BIRKENSTOCK Zermatt is our first true slipper. It features our 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 Portugal” Upper material: Wool felt (some stains and smudges) Wool felt counts among the oldest textile materials in the world and is the typical upper material for slippers. Insole: Shearling (worn and smudges) Footbed material: Cork Size 39 (L8, M6) They are in decent pre-owned condition with some wear, smudges, and scuff. Neither new nor in mint condition. Please see all the posted pictures for details. Ask any questions before purchasing. Sale AS-IS! FYI: The cover picture is from the Birkenstock official website for modeling purposes only.