Under Armour Mens UA Tech Tank Top - Medium - Peacock/Black Lightweight UA Tech fabric with an ultra-soft, natural feel for unrivaled comfort Moisture Transport System wicks sweat away from the body 100% Polyester Anti-Odor technology prevents the growth of odor causing microbes Smooth Flatlock Seams allow chafe-free motion Loose: Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you.