These running socks are already the second pair, which we have now bought us for our little ones. On the one hand they adapt very great about the feet and somehow you get the feeling that they grow for some time. The cuffs are extra wide and cut a not at all and the nubs on the soles are very durable and do not run away. Also we were very convinced by the low susceptibility to dirt in the color "dark blue". The slightly higher cost compared to conventional socks is absolutely justified for us as the "life" or useful life of Falke socks, others we tested running socks outlasted a wide. For us that is the best .....