Details: From the Manufacturer This is an outstanding work sock for great durability or cooler work environments. Features include an Odor Guard Antimicrobial treatment, elasticized mock rib stay-up top, Olefin reinforced foot bottom, heel, toe and Achilles cradle and fully cushioned foot for comfort.

Features:

• 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