The classic Running Socks: RU 4. Running Socks with projection. Specially designed for serious and competitive oriented runners this sock runs as perennial favorite for years. It ensures low power loss, optimum pressure distribution and a perfect contact with the running shoe. In cooperation with the German Sport University Cologne, proof of perfect, relieving pressure distribution could be provided. These findings were transmitted to all Ergonomic Sport Socks. More product information: shoes for runners with high demands on damping and dynamic stability. We recommend lightly padded RU 4 socks. Sizes: 35-36, 37-38, 39-40

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