The BIRKENSTOCK Zermatt is a unique slipper featuring a removable sole, offering the flexibility to choose between three distinct sole options: the standard sole, the soft sole, and the sheepskin sole. All three insoles are available for separate purchase, making these slippers perfect for year-round wear. The standard version of this model is equipped with our Shearling sole and a shearling lining to ensure your feet stay warm during colder temperatures. The upper is crafted from soft wool felt. The '(f)' model is designed for a narrow width, while the '(m)' model offers a regular width. The slipper features an anatomical cork-latex sole (sheepskin sole), with the upper made of wool felt, a sole lining of shearling, and a latex sole. Details include a clog design with an extended shaft, decorative stitching, and a decorative rivet. The sole is "Made in Germany".