M RU5 Race Running Sock Size:42/43 Klean Coat™ powder coat finish

Klean Coat™ powder coat finish is 4X more durable than our previous finish and formulated for human and environmental health (Brushed Stainless has no coating)

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

Rippy™ 66: Durability that breathes

MOUNTING -Prolink Shift

Photon Open Gate Strength: 9 kN

M RU5 Race Running Sock Size:42/43 Klean Coat™ powder coat finishThanks 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