The Birkenstock Zermatt Fur men's slippers in dark brown offer exceptional indoor comfort. Crafted with a wool upper and lining, and featuring a shearling footbed, these fluffy slippers are designed for warmth. They have removable insoles and are suitable for the Birkenstock Regular Fit. The upper material is Wool felt, the insole is Shearling, and the footbed material is Cork, with latex sole and decorative stitching. These slippers are ideal for keeping your feet warm throughout the winter.