Forget cotton. Merino wool t-shirts, sweat-wicking and BO-killing, are perfect for hiking, climbing, or traveling around the world.

Super soft, moisture-wicking, and great for layering. Modal and Tencel feel much more silkier and cool against the skin than the other materials we’ve tested, making them ideal for dress shirts ...

The best workout shirts should feature some combination of moisture-wicking fabric, four-way stretch, sweat-activated cooling, or all three. Our top pick is the Ten Thousand Versatile Shirt.