This Outlander Outdoor Wick Dry Sock is an Over-the-Calf extra Heavy Weight Outdoor Sock. 65% hi-bulk acrylic, 20% worsted wool, 15% stretch nylon.
Acrylic wicks moisture away, keeping the foot drier while reducing blisters Premium worsted wool keeps feet warm and wicks moisture naturally Exceptionally soft and cushiony Fully thermalined for shock absorption and insulation Smooth, flat toe seam 
Charles River Apparel