Eco Natural Products Women's Wool Slippers Wool 100% Wool handcrafted. Wool is the raw material, healthy, friendly to the human body. Wool fiber is highly responsive to changes in ambient temperature. Shrinks when it's cold and expands when it is hot. Thanks to this great heats in winter and in summer prevents sweating and overheating of the body. This product is hypo-allergenic 100% - pure wool indoor. Great for people with cold feet, poor circulation, arthritis, rheumatism Reynaulds or to stay worm in cold days. They absorb moisture from the feet and keep constant temperature, they are soft to touch. Comfortable for walking, watching TV.