Copper Fit are thin junk. There are much better out there, none of it real cheap. You kind of have to get fitted ones for your calf size to be effective. Actually measured in mmHg. A quick check of Amazon has 3 pair for $13. They work.
Got these on a wish list @ Amazon
https://www.amazon.com/dp/B07XG2MXKR/?ref_=cm_wl_huc_item&th=1
