Walk on clouds with acorns classically comfy alpine house slippers. these hand-stitched slippers feature warm, boiled wool tops and a soft constructed from wool lining to keep foot at their optimal temp throughout the year. acorns proprietary cloud contour design features a hybrid of long-lasting cushioning plus added arch support for superior stability.Boiled wool tops with hand-stitched detailingMoisture-wicking, barefoot-friendly soft wool linerDurable rubber outsole with added traction