The Birkenstock Unisex Zermatt Shearling Reg Clog are unisex clog slippers designed for everyday use. The Original Footbed is made with naturally sustainable and responsibly sourced Jute material, Cork and Latex inner and finished with a suede lining for a luxurious soft feel finish. The Wool Felt is a soft touch material most often used for slippers because of the exceptional comfort provided.