Keeping you comfortable on every hike, Darn Tough have created the Light Hiker Micro Light Cushion Sock are designed for lightweight breathability with a merino wool blend wicking away unwanted sweat when warm while retaining vital warmth in the cold. Mesh paneling also aids ventilation exactly where needed. With extended cushioning over the Achilles and smooth ribbing, you'll appreciate the extra touches for comfort and finished with a fine gauge knit, you'll slide on and forget they're even there. With Darn Tough's lightest cushioning, the socks are lightweight and versatile with the traditional crew height peeking just above a hiking boot. About Darn Tough Socks Darn Tough socks are made predominantly from Merino Wool, a sustainable resource. The mill where all Darn Tough socks are made in Vermont USA is also powered by hydro-electricity, and all socks are now washed before packaging in a stream process that uses very little water. There is no Far East production, reducing carbon footprint of each sock and improving worker conditions.