Under Armour Mens Grey/Black Stripped Polo Loose: Fuller cut for complete comfort.30+ UPF protects your skin from the sun's harmful rays Smooth anti-pick, anti-pill fabric has a cleaner, snag-free finish.Updated performance fit. 4-way stretch fabrication allows greater mobility in any direction Moisture Transport System wicks sweat & dries fast. 5.5 oz. Polyester/Elastane. Anti-odor technology prevents the growth of odor causing microbes