Under Armour 1004211 Men's Flats Guide II Long Sleeve ShirtLOOSE: Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you. Part of the OFFSHORE ARMOUR fishing collection. Meshbacked strategic ventilation on chest and back. Signature Moisture Transport System wicks sweat away from the body. AntiOdor technology prevents the growth of odor causing microbes. 30+ UPF protects you from the sun's harmful rays