Made with 68% recycled nylon, 12% nylon, 15% polyester, 5% spandexCompression level is 15-20 mmHg - moderate compressionKnee-high Increases circulationImproves leg and foot comfortProvides relief from pain and achesReduces soreness and swelling 3-pack Made with care in Zhejiang, ChinaRecycled MaterialsVersatileBest In Class Quality Recycled Maternity Compression Socks 3-Pack