Jockey Women's Socks Staycool Microfiber Liner - 6 Pack 98% nylon/ 2% spandex. Machine wash and dry. Made in the U.S.A. Made in US Machine Wash Style 910012 moisture control technology helps keep your feet cool and dry mesh along sides of sock increase breathability. ultra-low liner styling for a no-show look convenient 6-pack for stocking up