Women's MUK LUKS Wren Winter Boots Nothing says warmth, style and comfort like MUK LUKS Women's Wren Boots in the winter. You'll get a fashionable upgrade from the quilted nylon hi-top, faux-fur lining, metal taping and stitching details throughout. Pull on these boots and envelop your feet in warmth thanks to the signature Muk Luxe lining and Memory foam.