The Under Armour Men's Streaker 2.0 Long Sleeve Shirt is the perfect running shirt for cool weather days or when you need full arm coverage. This shirt features Microthread technology in the fabric. which dries faster, wont cling to you, wont chafe and stretches without absorbing sweat. It also features Anti-odor technology that prevents the growth of odor-causing microbes. Take this shirt on your next run and see for yourself everything that it has to offer.