Your son will stay cool and dry in the Under Armour Boys' UA Tech 2.0 ¬Ω Zip Pullover. This pullover is made from 100% polyester UA Techââ fabric for an ultra-soft and natural feel. The material wicks sweat and dries fast so you stay comfortable, while the ¬Ω-zip front makes for easy layering. Under Armour Boys' UA Tech 2.0 ¬Ω Zip Pullover Black, Large - Boy's Athletic Tops at Academy Sports