Show your support for the Razorbacks by wearing the Columbia Sportswear Men's University of Arkansas Perfect Cast Polo Shirt, which features a school logo on the left chest and the school name on the left sleeve. Made of 100% polyester with a mesh lining for breathability, this polo shirt features Omni-Shade technology that provides UPF 30 sun protection against harmful UV rays. Short sleeves. 3-button placket. Side slits.