• Built on the platform the original DeFeet wool sock - the Woolie Boolie
• Merging the natural characteristics of wool with recycled polyester creates an inherent moisture management environment to keep your feet warm and dry in cold, windy conditions
• Made from US merino wool
• Machine wash cool, tumble dry low. No bleach, softener, or harsh detergents.
• 39% Nylon, 29% Merino Wool, 29% Recycled Polyester, 3% Lycra