I have the Copper compression socks. I got a 6 pack of black knee highs off Amazon for $19. They’ve done the job & are cheap.
Here’s the link: Copper Compression Socks Women & Men Circulation(6 pairs) - Best for Running, Nursing, Hiking, Recovery & Flight Socks https://www.amazon.com/dp/B07ZFJ5RPJ/ref=cm_sw_r_cp_api_glt_fabc_7GQ3GA4Q6MNYW3G8W5WA