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. Many UA Tech™ T's are made with recycled, traceable polyester & re-use about 5 bottles per shirt. Loose:Fuller cut for complete comfort. 100% Polyester.