Bring out your outdoorsy personality with the Muk Luks Urban Lumberjack men's slipper collection. Our patterns, plaids, rugged knits and rich warm color tones are shown throughout this group. The Men's Mark Slipper has a 100% acrylic upper and will keep your feet warm and comfortable with the 100% polyester furpa lining and insole. These slippers come in S (8-9), M (10-11) and L (12-13). Hand wash in cold water with mild soap and air dry. Made in China. Material: Acrylic, polyester.