The Under Armour Womens Tech Twist 1/2 Zip in a Tempered Steel with Aurora Purple and Metallic Silver colourway is loose, light, and keeps you cool. UA Tech™ fabric is quick-drying, ultra-soft & has a more natural feel. Material wicks sweat & dries really fast. Features a zip front with a stand collar for extra coverage. The Tech Fabric is quick-drying, ultra-soft and delivers a natural feel. Moisture Management wicks away excess sweat and moisture. It is breathable, encouraging cool air to circulate. Anti-Odour Technology prevents the growth of odour-causing microbes. The Loose Fit gives a comfortable, relaxing fit.