UA Tech™ is our original go-to training gear: loose, light, and it keeps you cool. It's everything you need. UA Tech™ fabric is quick-drying, ultra-soft & has a more natural feel. Material wicks sweat & dries really fast. Generous ½ zip front makes for easy layering. Generous ½ zip front makes for easy layering. All-over twist effect. 100% Polyester.