Under Armour UA Tech Textured Half Zip Top in Blue Atlantis. UA Tech™ is Under Armour’s original go-to training equipment, excelling with its renowned loose, super-soft and lightweight sweat-wicking properties that not only dries really fast, but it has a more natural feel. Long-sleeved with a generous half zip front for easy layering and finished off with Under Armour logos to left chest and to back of neck. Loose fuller cut.