M RU5 Race Running Sock Size:42/43 Speedlock XT Ski/Walk mechanism is

Speedlock XT Ski/Walk mechanism is friction free and rock solid

Nike reduced the amount of rubber as well

The remarkably strong yet light properties of the 7075 aluminum alloy combined with the embossed crampon body make this a reliable and smart addition to any ski touring adventure

Photon Open Gate Strength: 9 kN

enhanced stability and easy access to long gliding phases

M RU5 Race Running Sock Size:42/43 Speedlock XT Ski/Walk mechanism isThanks to their light cushioning for unbeatable power transmission and direct feedback, the RU5 Lightweight calf length mens running socks are ideal for competitive runners. The cushioning also protects against blisters by reducing pressure points. Mesh inserts in the instep also ensure that your feet stay pleasantly cool. The rapid moisture wicking and optimized shape of these socks ensure a comfortable, stress free wear while competing. Ultralight