An ideal base layer for extremely cold conditions, the Under Armour Treestand Base Long-Sleeve Crew Shirt combines a lightweight 100% polyester exterior with a cozy, high-pile interior. ColdGear technology wicks moisture away from the skin and circulates body heat, keeping you warm without weighing you down. Patented UA Scent Control technology traps and suppresses odor-causing bacteria, ensuring that you stay fresher longer. Ergonomic flatlock seams help reduce chafing and allow for easy layering. Fitted design. Imported.