1/4 Ultralight Men's Sock

Increase your top speeds and let your feet breathe in these high-performance running socks. Darn Tough socks are made in the USA and offer a lifetime guarantee. Made of 55% merino wool, 42% nylon, and 3% lycra spandex.

Sizing by US men's shoe size:

Medium fits men's 8-9.5

Large fits men's 10-12

Extra Large fits men's 12.5+


Type: Athletic