•  12" length reaches mid-calf (long enough for our Uplander and Highlander boots)
•  Heavyweight Merino virgin wool is extremely thick and warm, expedition weight
•  Worsted finish is smooth and comfortable, not scratchy
•  Wool keeps your feet comfortable, even if wet
•  Nylon blended into toe and heel for greater durability, but only Merino wool touches your feet
•  Elastic ankle band prevents socks from sagging down your ankles
•  Flat toe seam does not cause discomfort or blisters
•  "FILSON" woven across the toes
•  Green lettering on the Gray and Natural socks
•  Tan lettering on the Navy socks
•  Made in USA