A high-performance shirt can make a huge difference. When you don't have to waste time changing to avoid feeling uncomfortable in a sweat-soaked shirt during long training sessions, you can focus on performing at your best. The Under Armour Tactical Tech Tee is not your average T-shirt. It is made with 100 percent spun polyester that has the soft feel of cotton. It features Under Armour's signature HeatGear technology to wick moisture away from the body as well as ArmourBlock technology for eliminating odor. For tactical operations, training, hunting or any kind of extreme activity, stay cool, dry and mobile with Under Armour's Tactical Tech Tee.