An exceptionally lightweight, 2-in-1 base layer with a warm-breathable merino wool exterior and a LIFA® wicking interior.The LIFA® Merino Lightweight collection is versatile and ideal for all cold weather activities. Helly Hansen have used the proven 2-in-1 layer system, combining LIFA® Stay Warm moisture management and the natural warmth of merino in an extremely lightweight crew. LIFA® Merino LIGHTWEIGHT delivers all the great benefits of merino wool fibres plus the unique wicking properties of technical LIFA® fibres. Features: LIFA® Merino 2-layer construction 100% Merino wool exterior Flat lock seams for ideal comfort and durability Non-itch fabric ZQ wool Weight: 280g Composition: 70% Merino Wool, 30% Polypropylene Uses: Camping & Hiking, Coastal Sailing, Mountaineering, Sailing, Skiing, Trekking, Urban & City Life, WinterCare instructions: Machine wash gentle 30 degrees No fabric softener No bleach Wash inside out Do not wring Do not dry clean 49370 Helly Hansen Men's Lifa Merino Lightweight Long Sleeve Crew Neck Baselayer Navy 598