Under Armour UA Techâ„¢ 2.0 Short Sleeve Men's UA Techâ„¢ is our original go-to training gear: loose, light, and it keeps you cool. That's why this men's training T-shirt is everything you need. UA Techâ„¢ fabric is quick-drying, ultra-soft & has a more natural feel. Material wicks sweat & dries really fast. New, streamlined fit & shaped hem.