Best Use: All Conditions Developed in New Zealand, Nuyarn technology has revolutionized the wool market. With Merino wool structured around a strong nylon yarn core, you get higher stretch and recovery, incredible moisture management, and greater warmth. It is stronger than average Merino wool yet boasts the same natural odor resistance and comfort. KUIU's ULTRA Merino 145 Hoodie is a lightweight, incredibly comfortable, and durable wool shirt, perfect next to skin or as a layering option for the highly active hunter. Moisture-wicking, itch-free, and naturally odor resistant, the ultra-fine 17.5 micron Merino wool keeps moisture away from your skin keeping you dry and warm in cool conditions, while eyelet knit side panels provide maximum breathability. The 145 is an ideal choice for hunters needing a long term, effective solution in a wide range of aerobic conditions and temperatures.