The Birkenstock Zermatt slippers in dark grey offer ultimate comfort and coziness. These unisex slippers feature a soft wool upper and an anatomically shaped, removable footbed made of cork. They are designed for immediate comfort and are the first Birkenstock slippers with a fully removable sole. The upper is made of soft anthracite grey wool, making them very pleasant to wear. They are made in Europe and are classified as mules with a slip-on fastening. Upper: 100% wool. Lining: 100% wool. Cushioning: 100% cork. Sole: 100% latex. Key features: - Category: SOCKS - Family: MULLES - Shoe size: NORMAL - Material: Wool Cork - Colour: Dark grey - Lining: TEXTILES - Sole: ELASTOMER