The BIRKENSTOCK Andermatt Shearling in Anthracite Narrow is the perfect slipper boot. Ankle height and extra cozy, featuring a shearling lined footbed and a pull tab for easy on and off. Stay snug even on chilly evenings. The upper is made from soft wool felt.Anatomically shaped cork-latex footbed (Shearling Footbed). Upper - wool felt. Footbed lining - shearlingSole - latex. Details - decorative rivet. Made in Portugal