Take a step toward healthier feet and legs. Silver Steps™ compression socks are designed to help reduce heavy, fatigued, aching legs. 20–30 mmHg calf compression socks are ideal for soothing mild edema and varicosities and helping to prevent or manage deep vein thrombosis. 82% nylon/18% spandex. Machine wash warm, tumble dry medium. Non-chlorine bleach only. Made in USA.