Active Base Layers by Merino Protect. Details: The odor resistance feature will help you get rid of the embarrassment of having a strong odor for other people to smell. When you are going out for mountain climbing, hiking, working out, firefighting, traveling, and even daily wearing, this Merino wool shirt for men is breathable and non-itch. It absorbs the humidity and heat from your body, so your body feels cool and dry in hot weather. The Merino wool shirt even absorbs hot air released by your body and traps it inside the natural crimp, keeping you warm in winter. Naturally moisture-wicking, keeping your body dry, warm, and comfortable all the year.