When you're sitting in the stand on a cold, winter hunt, you'll appreciate the heavyweight warmth of the Sitka Core Merino 330 Half-Zip Long-Sleeve Shirt for Men. This Sitka shirt boasts 330-gram ArmorSpun merino wool that provides exceptional warmth without much weight, keeping you warm without mobility-restricting bulk, plus merino wool regulates your body temperature during start-and-stop pursuits, fights odors to minimize game-spooking scent, and dries superfast. Sitka's ArmorSpun merino wool includes a moisture-wicking synthetic interior that keeps you dry and ensures chafe-free comfort. Snag-reducing stitching along the sleeves prevents abrasion when wearing a pack. This men's merino shirt is finished with a zip-close chest pocket and thumbholes. Made of 54% merino wool/35% polyester/11% nylon. Machine wash. Imported. 54% merino wool/35% polyester/11% nylon 330-gram ArmorSpun merino wool boasts excellent warmth Lightweight design to reduce mobility-reducing bulk Regulates body temperature during start-and-stop pursuits Odor-fighting performance minimizes scent Fast-drying, moisture-wicking synthetic interior Sleeves stitching is optimized for wearing under a pack Zip-close chest pocket Thumbholes