Deer Stags mens Slipperooz Men's Nordic S.U.P.R.O. Sock orthotic for comfort and faux-shearling lining. These can be worn indoors or outdoors. Polyester Textile Upper, Imitation Lambs Wool LiningPatented S.U.P.R.O. Sock technology for comfort and supportInsole is semi-cemented and removeableDurable outsole for indoor/outdoor useImported