Darn Tough Men's Run 1/4 Ultra-Lightweight Sock Size:XL Boa® Fit System shell closure

Boa® Fit System shell closure for a fast and secure fit

The breathable

and closing easier

With 25g of complete protein and 4g of branched chain amino acids (BCAAs) per serving

Active progressive flex

Darn Tough Men's Run 1/4 Ultra-Lightweight Sock Size:XL Boa® Fit System shell closureThese socks are the go to for running in the White Mountains. The Quarter length keeps dirt and rub to a minimum, the merino material dries quickly, and the ultra light thickness provides a better feel for the shoe and will hold less sweat on those hot ascents. With a lifetime warranty, these are worth the investment. M: 8 9. 5 L: 10 12 XL: 12. 5 14. 5 ### Darn Tough Says ### Take on everything from single track training to jeep road crushers in the