AUTHOR ΚΑΛΤΣΕΣ XC (yellow-neon/grey/black) Socks Author for cycling and other sports usage. Reinforcement in heel and toesgives you comfort, better durability and shock absorption. Ventilated mesh panel in the upper part of the foot for better air circulation and faster moisture transport. Spedially designed for better fit, provide soft and comfortable feeling to your feet. Fabrics: 70% ClimaWell, 10% CoolMax, 10% PAD, 5% POP, 5% elastan.