The Kryptek Arma Tech 1/2 Zip is a high-performance base layer built for demanding conditions and dynamic environments. It's part of Kryptek's premier Altitude Collection, designed for active movement and thermal regulation. This layer combines next-to-skin comfort with technical mobility in cold-weather or high-elevation missions. Whether you're glassing ridgelines, hiking steep slopes, or stalking game, this piece keeps your core in check. It regulates body heat and wicks moisture to keep you warm, dry, and ready for action. FeaturesPolyester-Merino Blend (91% / 9%): Combines moisture-wicking tech with thermal regulationSilvadur Antimicrobial Technology: Prevents odor and bacteria without affecting feel or performanceNext-to-Skin Moisture Wicking: Manages sweat from the base layer level1/2 Zip Ventilation: Regulates heat and increases airflow during high activity4-Way Stretch Fabric: Enhances mobility and comfortAthletic Cut & Anatomical Shape: Built for layering and unrestricted ...