Our LIFA® Merino Midweight Pants keep you warm and dry during any type of cold weather activity, so you can get outside and stay outside longer. We combined a 100% Merino wool layer with our proven LIFA® fiber technology in a 2-layer construction. Men’s LIFA® Merino Midweight 2-in-1 Base Layer Pants delivers all the breathable warmth of Merino fibers, plus the unique moisture management properties of LIFA® fibers.