Product descriptionHelly Hansen say - The versatile LIFA® Merino crew keeps 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. Our unique performance LIFA® Merino fabric delivers all the breathable warmth of merino wool fibers, plus the unique moisture management properties of LIFA® fibers. It excels at technical performance. It’s also super-soft and comfortable.Shell: 57% Merino Wool, 43% PolypropyleneLIFA® MERINO2-layer construction100% Merino wool exteriorFlat lock seams for ideal comfort and durabilityNon-itch fabricZQ wool Helly Hansen W Lifa Merino Midw Gra Crew Hickory