Naturally Warm and Ultra Soft, Peruvian Alpaca Wool is GREAT for Socks. Great Warmth and Cushioning without that scratchy irritation like those old Wool Socks from years ago. Alpacas are raised with warm summers and Cold Winters making their Wool Fibers Naturally repel snow and water while also naturally drawing away moisture from the body. Alpaca naturally keeps your feet warm in winter and cool in the summer! There are no strong chemicals used to soften or process the Alpaca Fibers.Alpaca naturally keeps your feet warm in winter and cool in the summer!