Sherpa Faux Fur, Rubber sole COMFORT: Rubber sole FUR: Black Sherpa Lining TOGGLE: A Toggle and Strap Work Together To Keep a Snug Fit WARM: Faux Sherpa lining keeps feet warm all day in the snow. PROTECTION: Little toes are protected by the overlapping rubber outsole which also has specially designed treads to help grip wet and snow covered surfaces which minimizes slips and falls.