Banish sore muscles and get back on your feet and ready for your next mileage binge with the exceptional compression performance of these leg sleeves from Zensah®. Ideal for runners, cyclists, triathletes and any person regularly on his or her feet. Can be worn during training or recovery to increase oxygen flow to muscles in the lower leg. Made with a gradient compression that provides wide ribbing in the front for shin support and tight ribbing in the back for calf support. Features a silver ion fabric that helps to regulate skin temperature by wicking moisture away from the skin. This technology also helps ward off bacteria. Zensah Fabric (90% polyamide, 10% Spandex). Machine wash cold, tumble dry low. Made in the U.S.A. Sold as a pair. Sizing : XS/S: Calf Size: 9.5"-12.5"/ Height: 5'3" and below. S/M: Calf Size: 12.5"-15"/ Height: 5'4"-5'10". L/XL: Calf Size: 15" and up/ Height: 5'11" and up.