Feel the difference of a barely-there sock that keeps your feet fresh and energized all day. The Women&&';;s Basic Lightweight Ankle Sock offers a light, natural fit in casual shoes or sneakers, with Merino Wool keeping feet dry and odor-free. Flexible support, a non-slip heel, and an easy on, easy off pull tab ensure every step feels smooth, supported, and fuss-free. Merino Wool: Soft, breathable, still machine washable True Seamless(TM) Toe: No interruptions or seams. Lifetime Guarantee: We&';ll replace them free of charge for life. Made in America: With globally sourced premium yarns. 59% Wool (Merino), 39% Nylon, 2% Elastane *Fiber percentages of socks may vary slightly. Machine wash in cold water on gentle cycle with socks inside-out. Do not bleach. Tumble dry on low or hang dry. Do not dry clean. You can learn more about how to care for your Wide Open socks.