A 2-in-1 base layer crew with an extremely breathable 100% merino wool exterior and a 100% LIFA® wicking interior.

The versatile LIFA® Merino Midweight Crew Base Layer adapts to any type of cold weather. We combined a 100% merino wool layer with our proven LIFA® Stay Warm Technology in a fitted 2-layer construction. LIFA® Merino Midweight Crew Base Layer delivers all the breathable warmth of merino wool fibers, plus the unique moisture management properties of LIFA® fibers.