ADAPTABLE THERMALSUA Base 2.0 is the most versatile of the UA Base thermals, built for basically anything you do outside. Running to hunting, the hill or the woods, this guy has got you covered. FEATURESUA Base 2.0 is highly versatile mid-weight protection for colder conditions & a variety of activity levelsSoft, brushed negative grid interior traps hot air, providing superior warmth4-way stretch fabrication allows greater mobility in any directionMoisture Transport System wicks sweat away from the bodyAnti-Odor technology prevents the growth of odor causing microbesPerformance elastic waistbandWorking fly