The Extreme Ultimate sock is our heavy winter sock revamped. Adding a higher percentage of Alpaca into this sock with the addition of reinforced weave on the sole covering entire bottom of the sock for durability and performance.
Length. Extreme sock is longer than the original Ultimate sock. This one is meant to hit higher on the calf so you get full boot coverage.
Comfortable, breathable, wicks away moisture, insulating, retains warmth even when wet.
Flat toe seam, ribbed top stay-put cuff, reinforced heal/sole/toe, thick sock.
THE BEST ALPACA SOCK LIST