Men's Pattern Cotton Dress Crew Socks Imported Materials : approximately Cotton Blend 80% + Spandex 15% + polyurethane 4%, elastane 1%% One Size fit : Regular / Shoe size : US 8~11 / 260mm~290mm Please wash them by hand in cool water and mild detergent. Lay flat to dry. Don't bleach, don't tumble dry and no ironing! Made in korea.