Birkenstock Zermatt Shearling Wool Felt EggnogBirkenstock Zermatt Shearling Wool Felt Eggnog Style Code: 1020029 Colorway: Eggnog The Birkenstock Zermatt Shearling Wool Felt in Eggnog is Birkenstocks first true slipper style that combines the brands iconic contoured footbed with plush winter comfort. Designed for indoor wear and cozy days at home, this slipper elevates traditional comfort footwear with natural materials including soft wool felt and genuine shearling lining. This slip on mule