The Merino 2.0 is our highest performer in the baselayer pant. Built for the coldest conditions, featuring a merino wool-blend outer shell and soft interior lining, with 3 adjustable heat zones to keep you warm and comfortable during the coldest conditions. Control temperature right from your phone or smartwatch, and now with Siri control. The ideal solution for winter activities, working outdoors, and all sorts of adventures! Pair with the Merino 2.0 shirt for head-to-toe adjustable warmth!