The IBEX Men's Naturalist Long Sleeve Crew is the ultimate in comfort and performance, crafted from 100% merino wool. This merino wool long sleeve shirt men is lightweight, breathable, and designed to provide exceptional warmth while wicking moisture away from the skin. Whether you're looking for a men's merino wool t-shirt to wear as a base layer or as a thermal long sleeve men shirt for outdoor activities, this shirt provides the perfect solution for all your needs. Designed with outdoor enthusiasts in mind, this merino wool shirt combines the best features of thermal shirts for men and merino wool hiking shirts. The proprietary Naturalist fabric finish ensures a cooler feel against the skin, while the unique performance finish enhances durability and reduces shrinkage, so it stays in top condition, even after repeated use. The shirt is perfect for winter running shirt men, hiking, or even just as a casual option for layering in cooler weather. Not only is this shirt ideal for physical activities, but it also features UPF 30+ protection, keeping you shielded from harmful UV rays when you're spending time outdoors. Whether you're running, hiking, or enjoying a sunny day outside, the wool shirt men outdoor feature of this shirt will help protect your skin while maintaining your comfort level. This versatile merino wool t-shirt men is not only ideal for outdoor activities, but it also makes a great addition to any wardrobe. The sleek design, featuring low-profile saddle stitching, gives it a refined, stylish appearance that works well on its own or as part of a layered outfit for colder weather. With improved fabric stability, it resists pilling and twisting, ensuring a long-lasting fit that maintains its shape and softness over time. Easy to care for, this thermal running shirt is machine washable and retains its softness, shape, and performance capabilities, even after multiple washes.