Birkenstock 1017519 Zermatt Men's navy slippers are comfy and sophisticated. These men's navy slippers have a felt upper which is lightly textured and features a decorative button. The anatomically shaped cork footbed offers stability underfoot. Slide feet into Birkenstock Zermatt men's mule slippers all year round for ultimate comfort indoors. Upper - Wool Felt, Lining - Suede, Sole - Latex, Fastening - Slip-on. Manufacturer Ref: 1017519