Two-pair sock system provides one pair of outer socks along with one pair of liner socks

• The heaviest duty outdoor sock you can buy!
• CoolMax ® liner socks wicks moisture
• Thick outer socks provide insulation against heat and cold
• Mid-calf crew length

Extensively tested by all branches of the U.S. Military in conditions ranging from the baking desert sands to the frozen Antarctic. Unique two-sock system combines a CoolMax® liner that wicks moisture away from your foot and an outer sock constructed with high-density reverse terry knit. This thick outer sock provides superior insulation against heat and cold, abrasion resistance and cushioning for maximum comfort in all weather conditions. Outer sock is 45% wool, 45% polypropylene and 10% nylon. Mid-calf crew length. Black color. USA made. Specify Men's shoe size: M (9-11) or L (11-13) from the selection box above. See drop down box for sizes currently available.

NOTE: You will receive one pair of outer socks and one pair of liner socks when you order this product.