UA Tech™ is the original go-to training gear: loose, light, and it keeps you cool. It's everything you need. Product Details: 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 Fabric: 100% Polyester Product Name: Under Armour Tech 2.0 Boys 1/2 Zip Top - Starlight/Black Under Armour Code: 1363286-561 Option: Youth X-Small, Youth Small, Youth Large, Youth X-Large, Youth Medium