This truly versatile base layer liner treats high-grade polypropylene with Alphasan® technology (natural, silver based antimicrobial treatment) to give you an odoor free, blister resistant sock […]

By fusing together low-micron merino wool and polypropylene fibers, you get an incredibly strong yarn that allows a middleweight to act like a heavyweight in both warm and cold climates. They’re strong, wicking, odor and blister resistant, breathable, quick drying… and they immediately recover in the wash. Made in the USA.