Helly Hansen's LIFA® Merino Midweight 3/4 Pants keep you warm and dry during any type of cold weather activity, so you can get outside and stay outside longer. They combined a 100% Merino wool layer with their proven LIFA® fiber technology in a 2-layer construction. LIFA® Merino MIDWEIGHT delivers all the breathable, natural warmth of Merino, plus the unique moisture management properties of LIFA® fibers. These 3/4 length base layer pants are fitted for optimal mobility without bulk.