The ultimate combination of Merino Wool for cold weather insulation and the performance that comes from a perfect fit. There is no other heavy weight sock that can make this claim. If there were we would have made it! This sock is loaded with 100% Merino Wool on the inside against your foot so all you feel is comfortable and dry.
Size Chart
Mens             Ladies
3.5-5.5    Small     5-7
6-8      Medium   7.5-9.5
8.5-10    Large     10-11.5
10.5-12.5 X Large    12-14
13-15.5   XX Large   14.5-16.5