The knee-high version cools about 7 degrees, and the crew version cools about 5 degrees.
The knee-high version covers more surface area, causing the copper content to have a larger cooling effect.
Yes, the black and white colors are designed to blend in with your team sock. Once you cut your team sock you can wear the Coppsox underneath. The shin-guard can easily slip underneath the sock.
About 7 degrees for knee-high version, and about 5 degrees for the crew version.
Through the high-performance copper-infused material, heat is directed from the foot up the calf and is dispersed out into the air while simultaneously bringing cooler temperatures from the air to the foot.
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