This Navy Short Sleeve Tall Active Polo is designed for active individuals. The fabric is 96% polyester and 4% spandex. It has a 3-button placket. It's anti-odor, anti-microbial, moisture-wicking, and quick drying. The UPF 30 blocks 97% of UV rays. It has a snug fit through the arms and shoulders and is tall sized with an extra 1 inch in sleeves and 2 inches in the body. Great for workouts, sports, or an active lifestyle.