Constructed of shock-absorbing hi-bulk acrylic and premium worsted wool that wicks moisture, naturally insulates and is more durable than cotton. Over-the-calf length. 65% acrylic, 20% worsted wool, 15% stretch nylon. One pair. USA made by Fox River. Specify Men's shoe size: M (5 to 8-1/2), L (9-12) or XL (13-15) from the selection box above. See drop down box for sizes currently available.