Not really compression socks
My shoe and foot size both fell within the SM/MED size range (7.5shoe and 14.5 calf). The foot portion was very lose on my foot and did not provide any arch support- and ZERO compression. The calf portion of the sock did not provide much compression. I would compare them to the very low compression socks  that claim they provide 10-15mmHg of compression, definitely not 20-30mmHg! I received 3 pairs of these socks and tried 2 of the pairs in case the first one was defected, but no, the second pair were the same as the first. I'm pretty disappointed since the product received some great reviews.
Rating: 2 stars