X socks run speed two sock running socks
The lightweight competition sock is now perfectly suited for longer distances up to and including the marathon thanks to the well engineered climate management technology and the ideally designed cushioning system the new centralflow aircool stripes in the footbed provide 8x more fresh air thus improving the ventilation whilst at the same time transporting excess warm moist air out of the shoe more quickly than before additionally x socks speed two also offers runners of any ability impro