Is it hot in here? Or are you just "stoked" for the holidays? Either way, our socks are temperature regulating. So, even if things do get a bit fiery, at least your feet will stay cool. Wide, wicking, and wonderfully festive, treat yourself or someone special to the new hottest sock in town. Fit & Feel Wide Flex Stretch(TM):All flex, no stress. Crew:Stands tall without suffocating legs. 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 62% Merino Wool 35% 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.