Your plain old black socks just got a lot happier. Black and white optic socks are the perfect way to start your day on the right foot! Lined with white boxes, these black socks were crafted from fine combed cotton to ensure a quality fit that will have women and men wanting more. And because of the discreet style, optic socks can be worn anytime, anywhere! Pattern Optic Composition 17% Polyamide, 3% Elastane, 80% Combed Cotton SOCK SIZE EU* UK* US* S 36 - 40 36 - 40 3 - 7 4.5 - 7.5 M 41 - 46 41 - 46 7.5 - 11.5 8 - 12.