World's Best Cotton Dress Socks by LA Supply (Over-the-calf) (6 Pack) 99% Cotton and 1% LycraTM Spandex Made in USA Machine wash cold and tumble dry low. Luxuriously Soft 99% Cotton 1% Spandex for Perfect Stretch Resistance Crafted Design Plus Over-the-Calf Design Means Stocks Always Stay Up Durable Construction Lasts Multiple Washes Lightweight and Breathable for All-Day, All-Weather Wear.