[B001 Opal Black]

[White]

[W002 Arctic White]

[W071 White & Twyce Blue]

[P043 Flamingo Pink]

The X-Socks® Marathon helps you to relax the challenges of long-distance running. Rely on the proven X-Bionic ® quality and the optimised functions of the X-Bionic 4.0 generation. The optimised Air-Conditioning Channel ® 4.0 with its precise air duct system ensures even more efficient ventilation.