Warrior Alpaca Socks - Women's American Alpaca Sport Anklet Crew Socks Soft alpaca terry lined foot bed and breathable compression sock with ankle support. Alpacor construction-blends Alpaca hollow core fiber with advanced synthetic fibers, making for a hypoallergenic product. Jersey knit construction prevents bunching and blistering while the mesh fabric improves circulation and prevents odor. Keep your feet warm in cold weather and cool in warmer climates with excellent wicking properties to keep feet dry. Machine washable and tumble dry without any shrinkage.