When something is this good, you don't mess with it. The Over The Calf Padded Cushion Ski Ride Sock from Darn Tough is back for another year of greatness. Made of soft merino wool for exceptional warmth and True SeamlessTM, an italian knitting process that creates an ultra light yet extremely dense sock for unbeatable wicking and support. Features: Over the calf, terry rib knit, for race fit. Custom shrink treated Merino wool. Reinforced heel and toe. Elastic support around the arch. True SeamlessTM 67% Merino Wool, 30% Nylon, 3% LycraR Spandex Unconditional Lifetime Guarantee: Simply and without strings or conditions: if Darn Tough all weather performance socks are not the most comfortable and durable socks you have ever worn, return them for another pair or your money back. No strings. No conditions. For Life. When you are really serious about something you make it yourself. Sock Care: To help ensure happy miles with your Darn Tough Vermont socks we recommend that you machine wash them in warm water on gentle cycle with socks in side out. Do not bleach. Tumble dry on low. Do not dry clean.