X-Socks Mens Run Speed Two 4.0, Opal Black/arctic White, 39-41 EU

With their optimally combined ventilating and protective functions, these X-BIONIC 4.0-generation socks are perfectly suited for medium- and long-distance races. The newly designed Air-Conditioning Channel 4.0 is embedded in the densely knit material to ventilate the soles of the feet. The newly dimensioned Lambertz-Nicholson Achilles Tendon Protector 4.0 protects against pressure and friction. SUPPRONATION BANDAGE supports a healthy foot posture, counteracts overloading of the ankle joint. Patented in 34 countries. 100% pure swiss engineered,made in italy.