Birkenstock Zermatt Slipper (Men) - Red Plaid Wool/Natural ShearlingThe BIRKENSTOCK Zermatt is the prime pup for your feet! Keep your digits toasty all year round with the plush shearling footbed and lining. Plus, the upper is crafted from soft, wooly felt for even more comfy coziness. It's the ultimate in absolute cold weather awesomeness! Anatomically shaped cork latex footbed (shearling footbed) Upper: wool felt Footbed lining: shearling Sole: latex Details: clog with extended shaft; decorative stitching;