This Smartwool Hide and Seek No Show 3-Pair Pack of liner socks will help keep you dry and toasty and are engineered with flats in mind! No-show cut keeps your socks just out of sight and your feet feeling dry and comfy. Sold as three-pair pack. Features a more narrow profile thats perfect for a womans foot. Merino fibers provide outstanding softness and construction. Ultra-light cushioning provides maximum performance with minimal cushioning to works well in close-fitted shoes. Internal gripper on the heel helps keep it from slipping into your shoe. Style Number: SW000652 70 percent Merino wool, 29 percent nylon, 1 percent elastane. Machine wash, tumble dry. Made in the USA.