DARN TOUGH HIKER BOOT SOCK BLACK COLOR:Black This sock has a firm

This sock has a firm compression rating (20-30 mmHg) to improve blood return from your legs and feet back to your heart

This insulated boot features new updates like stain-and-water resistance and a lightweight sole to increase cushioning

breathable mesh lining and mesh panels for breathability

waterproof pull-on boot features a rubber and four-way stretch Neoprene upper designed to protect against cold and wetness even in sub-zero temperatures

DARN TOUGH HIKER BOOT SOCK BLACK COLOR:Black This sock has a firmThe Darn Tough Hiker Boot mid calf sock is built on a layer of cushioned comfort to withstand the severity of the trail. It is made of Merino wool for breathability and delivers comfort in summer and winter. The fine gauge knitting makes you comfortable that you'll forget they're on. These socks come with a lifetime guarantee. The undetectable seam gives a smooth and invisible feel.