Using black 98% cotton and 2% elastane, these step invisible sneaker socks by Falke are perfect for women and a must have. Also the black socks are designed in a plain pattern, It is recommended to machine wash at 30 degrees, do not tumble dry and do not iron to keep these socks in good condition. All the socks come complete with falke tags. The Falke Step Invisible Sneaker Socks – Black feature a low cut design, making them perfect for higher up the feet shoes. There anatomically shaped heel and toe have an anti-slip effect that guarantee to make sure they do not slip out. For the perfect hold, do not moisturise before wearing. Finished off with reinforced stress zones for maximum comfort. KEY FEATURES. Array. Shoe Liners. Smooth. Fine. 98% Cotton and 2% Elastane. Machine wash at 30 degrees, do not tumble dry and do not iron. Complete with Falke tags.