Darn Tough Merino Wool Snow Socks are a great winter sock meant to keep you warm and active no matter what the weather. This sock is a medium weight cushion.  Nice amount of cushion everywhere on the sock except the top of the foot - that stays light-weight cushion. This sock also has cushion on the shins for snow sport falls and maximum boot comfort. This sock goes straight up your calf and stops just below the knee. All Darn Tough socks are made in the USA and backed by  Darn Tough&##39;s Lifetime Guarantee. Specs: 49% Nylon 49% Merino Wool 2% Lycra Spandex