Get a special care for your knees with the Go Silver over knee high compression socks. It is carefully crafted from the combination of pure cotton and polyamide with pure silver. The compression percentage is 34-46mmHG that is great for initial stage of varicous veines or to prevent varicous veines for people who stand and sit for long time. These compression socks are anti-bacterial, anti-bad odor and prevents against circulation problems.