55% Nylon / 42% Merino Wool / 3% Lycra® Spandex

Ultra-Light – Darn Tough's lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock.

Over the Calf Height – The name says it all. The ultimate height for keeping the outside out.

Performance Fit – From form-fitting toe boxes to sculpted heel pockets and knit-in elastic support at the arch, Darn Tough knitting techniques produce the finest fitting performance sock available.

Fine Gauge Knitting – Unprecedented durability and our unique “put it on, forget it’s on” feel.

Fast Action Wicking – Pulls moisture away from skin. Fast drying.

All Weather Performance – Cool in the summer, warm in the winter.

Naturally Antimicrobial – Repels bacteria and odors.

Guaranteed For Life – No strings. No conditions. For life.

Merino Wool – Darn Tough's fine gauge Merino Wool naturally regulates temperature and wicks moisture. Never itchy, always on. Warm in the winter. Cool in the summer.

True Seamless™ – Undetectable seam fusion for an ultra smooth, invisible feel.