Work outside in the Carhartt Men's Force Sun Defender Polo Shirt. The polyester jersey fabric provides a comfortable feel, while FastDry technology wicks away sweat to keep you cool and dry. Sun Defender UPF 50+ protection shields against harmful UV rays, and anti-odor technology ensures a fresh feel. Carhartt Men's Force Sun Defender Polo Shirt Steel, Large - Men's Longsleeve Work Shirts at Academy Sports