Under Armour Tech 1/2 Zip - Women'sKeep cool as your run heats up with the Under Armour Lightweight Tech 1/2-Zip Jacket. Best for weather between 75-100 degrees, HeatGear® pulls sweat from your skin so you stay cool and dry. Lightweight UA Tech™ fabric promises an ultra-soft, natural feel. Forward-rolled seams reduce chafing and raglan sleeves enhance range of motion. Drop-tail hem and stand-up collar offer ideal coverage. Signature Moisture Transport System. 100% polyester. Imported.