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 light-weight cushion.  The bottom of the sock has some light cushion while the rest of the sock is thin.  A favorite of hikers who like a thinner sock that still provides some comfort. This sock will peek over the top of a standard boot. All Darn Tough socks are made in the USA and backed by  Darn Tough&##39;s Lifetime Guarantee.    All Darn Tough socks are made in the USA and backed by  Darn Tough&##39;s Lifetime Guarantee. Specs: 52% Nylon 45% Merino Wool 3% Lycra Spandex