We actually upgraded one of the best-selling polos in the world. The fabric is now lighter and more breathable to keep you even cooler and more focused. Smooth, soft anti-pick, anti-pill fabric has a textured snag-free finish. 4-way stretch material moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Self-fabric collar.