A performance half-zip base layer with a warm and breathable 100% merino wool exterior and a 100% LIFA® wicking interior.

Our LIFA® Merino Midweight collection is perfect for any type of cold weather activity. We combined a 100% merino wool layer with our proven LIFA® fiber technology in a 2-layer construction. This LIFA® Merino Midweight layer delivers all the breathable, natural warmth of merino wool, plus the unique moisture management properties of LIFA® fibers.