Wigwam Men's At Work Double Duty 2-Pack Crew Length Work Sock Acrylic,Nylon,Olefin,Wool Made in USA 35% Wool, 35% Acrylic, 23% Stretch Nylon, 7% Olefin Fully cushioned footbed Odor Guard to control foot odor and athlete's foot. Machine wash warm do not bleach tumble dry low Made in USA