Under Armour Rival Zip Jacket Juniors. This lightweight and water-resistant training jacket is equipped with UA Storm technology that repels water without sacrificing breathability. It features a smooth woven build that's robust, mesh lining for extra breathability, encased elasticated cuffs, and secure zip fastening hand pockets. This product uses a fluorine-free water repellent treatment and the main body fabric contains at least 90% recycled polyester, excluding trims & embellishments.