Darn Tough Merino Wool Hiking Socks are comfortable and durable.  These socks have been tested on long trails all over the globe. This sock is a medium weight full cushion.  Cushion everywhere.  Cushion cushion cushion.  Nice and warm.  This sock will hit around mid-calf - a good inch or so above the top of a standard boot. All Darn Tough socks are made in the USA and backed by  Darn Tough&##39;s Lifetime Guarantee. Specs: 69% Merino Wool, 27% Nylon, 4% Lycra Spandex