The Under Armour Mens Challenger II 1/2 Zip Training Top is the second coming of this best selling training top. Made with a Soft anti-pick, anti-pill fabric that has a cleaner, snag-free finish. UPF 30 protects your skin from the sun's harmful rays. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. UA Logo applied to right chest.