LIFA Merino Midweight 2-in-1 Base Layer Hoodie is perfect for any type of activity in cold weather. We combined a 100% merino wool layer with our proven LIFA Stay Warm Technology in a 2-layer construction for this cozy hoodie. LIFA Merino Midweight 2-in-1 Base Layer Hoodie delivers all the breathable warmth of merino wool fibers, plus the unique moisture management properties of LIFA fibers.