Under Armour UA Men Performance Colorblock Polo T-Shirt Loose: Full, loose fit for enhanced range of motion & breathable comfort. Smooth anti-pick, anti-pill fabric maximizes comfort and has a cleaner, snag-free finish . -Way Stretch fabrication allows greater mobility and maintains shape. Signature Moisture Transport System wicks sweat away from the body. Anti-Odor technology prevents the growth of odor causing microbes.