Under Armour UA Tech™ 2.0 ½ Zip Boys' 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. New, streamlined fit & shaped hem. Style #: 1363286. 100% Polyester. Imported. Machine wash cold with like colors. Use only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not use softeners. Do not dry clean.