Using black 45% polypropylene, 35% cotton and 20% polyamide, these running 4 medium short socks by Falke are perfect for men and a must have. Also the black mix socks are designed in a block pattern, It is recommended to wash at 40 degrees and do not tumble dry to keep these socks in good condition. All the socks come complete with falke tags. The Falke Running 4 Medium Short Socks - Black Mix give you well balanced protection and medium sock absorption. These amazing socks protect against any blisters in almost any shoe due to them reducing pressure point. Ideal for any kind of running, these also feature moisture wicking properties making them a comfortable wear when out and about. Make these your perfect new addition to your collection. KEY FEATURES Anatomical Fit Ankle Smooth Medium 45% Polypropylene, 35% Cotton and 20% Polyamide Wash at 40 degrees and do not tumble dry Complete with Falke tags.