Increase athletic performance with Zensah Tech+ Compression Socks. Every sock features graduated compression to enhance blood circulation. Zensah fabric with silver ions regulates skin temperature and fights bacteria. Ideal for runners, cyclists, triathletes, or anyone who would like to increase oxygenated blood flow in their lower legs. Sold as one pair. 82 percent polyamide, 18 percent elastic. Made in Italy. Sizing: SM: Womens 5-8; MD: Mens 7-9.5/ Womens 8.5-11; LG: Mens 10-12.5/ Womens 11.5-14. Measurements: Weight: 3.6 oz Product measurements were taken using size MD (Mens Shoe 7-9.5, Womens Shoe 8.5-11). Please note that measurements may vary by size.