The Sitka Gear CORE Merino 120 Bottom is an ultra-lightweight and high-performance base layer designed for warm-weather hunting. Crafted from 120-gram, 17.5-micron Merino wool, it naturally resists odor and regulates temperature, keeping hunters comfortable and undetected. Reinforced with ArmorSpun material for added durability, it's the perfect addition to any hot-weather hunting setup.