The weather outside won't stop you. Slip on the Under Armourâ⢠Men's UA Tactical Techâ⢠Short Sleeve T-shirt for a base layer or as a warm-weather top. As you work up a sweat, the UA Techâ⢠fabric and the Moisture Transport System will keep you cool and dry, so you can stay focused on completing the task at hand. Under Armour Men's UA Tactical Tech Short Sleeve T-Shirt White, Small - Men's Outdoor Graphic Tees at Academy Sports