The IBEX Woolies Pro Tech 1/4 Zip is engineered for men who need a high-performance merino wool base layer that excels in both active and casual settings. This lightweight thermal long sleeve shirt is built with Nuyarn spinning technology, making it more thermally efficient, more elastic, and significantly more durable than traditional merino. Made from a premium blend of 85% merino wool and 15% nylon, it offers the perfect balance of comfort, warmth, and resilience. Merino naturally regulates body temperature, keeping you warm in cold conditions and cool when you start to heat up. The nylon content adds durability, making this wool base layer ideal for multi-day hikes, ski trips, and cold-weather training. Designed for movement, the raglan sleeves eliminate shoulder seams for an unrestricted fit, while flatlock stitching prevents chafing during long wear. Thumbholes keep sleeves secure under outer layers, and the 1/4 zip neck provides customizable ventilation for changing conditions. The raised collar offers extra protection against wind and cold, making this shirt a dependable choice for winter running, snow sports, and hiking. Whether worn as part of a cold weather clothes for men system, paired with long johns for men thermal bottoms for deep winter, or used as a stylish wool hiking shirt in transitional seasons, the Woolies Pro Tech 1/4 Zip delivers the warmth, comfort, and versatility every outdoor enthusiast needs.