Think Medical™ compression socks enhance circulation, provide support, and helps relieve leg fatigue! They feature gradient compression that delivers controlled pressure from ankle to calf in order to promote better blood flow throughout the lower leg. Wear them daily for lower leg support and enjoy the comfort of a non-restrictive band and built in arch support. 8mmHg gradient compression 90% Nylon, 8% Elastic, 2% Spandex Energize tired legs Reduce muscle strain and Relieve varicose vein discomfort Prevent swelling Non-restrictive comfort top Built-in arch support Ideal for everyday wear. Machine wash warm. Tumble dry low. Do not bleach.