Under Armour UA Launch Elite Short Sleeve Women's. This shirt is designed to keep you cool and comfortable during intense workouts. The Iso-Chill fabric actively disperses body heat, providing a cooling sensation against the skin. It features strategic laser perforations for enhanced ventilation, and the 4-way stretch material ensures freedom of movement in all directions. The fabric is moisture-wicking, drying quickly to keep you dry, and incorporates odor control technology to minimize unpleasant smells. The hem is shaped with side vents for a better fit.