WARMTH AND BREATHABILITY with a merino wool exterior for optimal comfort 2-LAYER CONSTRUCTION combining the merino wool exterior and LIFA wicking interior for exceptional performance ENHANCED MOBILITY through ergonomic design and flat lock seams for ideal comfort and durability ADVANCED MOISTURE MANAGEMENT thanks to the 2-layer construction that keeps you dry EASY CARE with machine-washable merino wool exterior for convenient maintenance Experience unparalleled comfort and performance with the Helly-Hansen LIFA Merino Midweight Half-Zip Base Layer for Men, a testament to over 140 years of innovation in professional-grade gear. Designed with a 100% merino wool exterior, this base layer ensures warmth and breathability, making it ideal for the harshest environments. The interior features Helly-Hansen's proprietary 100% LIFA wicking technology, providing exceptional moisture management to keep you dry and comfortable during intense activities. The non-itch fabric ensures all-day comfort, allowing you to focus on your performance without irritation. Helly-Hansen's legacy of creating durable, high-performance gear for sailors, skiers, and outdoor professionals is woven into every fiber of this base layer, making it the perfect choice for those who demand the best in their outdoor apparel. Whether you're hitting the slopes, sailing the high seas, or working on-site, trust the Helly-Hansen LIFA Merino Midweight Half-Zip Base Layer to keep you warm, dry, and ready for any challenge.