2 inch Waist Band Fleece lined for additional warmth Stretchy material for easy on and off MUK LUKS STORY: Here at Muk Luks we have been celebrating authentic style and innovative creativity since 1972. Cozy up and express yourself the Muk Luks way, with the freedom to mix-and-match and the confidence to show your individuality. Kick back, relax, and get your happy on!