The Darn Tough Greta Light Crew Dusty Blue doesn't let you sacrifice your cozy comfort for style. Feel at home with her stylish geometric patterns and a homemade in Vermont comfort. The true seamless sock features fine gauge knitting and fast action wicking that pulls moisture away. It is naturally antimicrobial and repels bacteria and odor. The crew height sock is made of 53% Merino Wool, 44% Nylon and 3% Lycra?Â« Spandex.