Crafted from biodegradable Merino wool, this base layer boasts a unique fiber structure that not only provides exceptional warmth but also ensures feather-light comfort. Say goodbye to heavy, itchy layers that restrict your movement. Ideal for those who demand the perfect balance of warmth and lightweight comfort. Upgrade your base layer with our Merino Wool masterpiece and enjoy cozy, unrestricted movement, all season long. Great for: athletics, outdoor activities, mountain climbing, hiking, working out firefighting, traveling, and daily activities Features: Soft, smooth, breathable, non-itch, anti.