
Molehill's Performance Long Underwear is made from Polartec LLC's Polartec Powerdry. This fabric features NTS wicking/siphoning and anti-microbial treatments and utilizes BiPolar Technology for the best next-to-skin moisture management system available. designed to be the first layer in the Molehill Layering System, our underwear offers the perfect combination of wicking, weight, and warmth.