Propper® Merino Wool Performance Boot Sock

Ultimate comfort and moisture-wicking in the mid-weight Merino Wool Performance Boot Sock. 33% merino wool / 33% acrylic / 29% Copper CuTec® nylon / 5% spandex 10" midweight Permanent Copper CuTEC® fibers provide natural anti-odor and hygienic protection Moisture-wicking Fully cushioned Breathable ventilation channels Made in USA Lifetime guarantee With built-in permanent antimicrobial threads and ventilation channels, the Merino Wool Performance Boot Sock works as hard as you do to keep your feet dry and comfortable all day, in the toughest conditions. Made in USA.