Say goodbye to restrictive socks and hello to stretchy perfection. Walk on air in these super soft, cushiony but durable Merino Wool socks. Made for year-round comfort. Your feet will thank you. Fit & Feel Wide Flex Stretch(TM):All flex, no stress. Micro Crew:All flex, no fight, and never too tight. Cushion:Like a warm, soft hug for your feet. Product Details Merino Wool:Nature&';s most versatile fabric. True Seamless(TM) Toe:No interruptions or seams. Lifetime Guarantee:Our promise to you. Made in America:With globally sourced yarns. Materials & Care 55% Merino Wool 42% Nylon 3% Lycra Spandex *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.