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. LIFA® Merino MIDWEIGHT delivers all the breathable warmth of merino fibers. plus the unique moisture management properties of LIFA® fibers. These base layer pants come in cool prints and are fitted for optimal mobility without bulk.