The Truewerk Men's B1 Sun Tee Performance S/S T-Shirt in Gray, Size Large, is a solid-colored, short-sleeve shirt made of 100% polyester. It features a pullover closure and a crew neck neckline, making it suitable for both activewear and casual occasions. The athletic fit and regular sizing cater to men, while the lack of vintage style and graphic print keep it simple and versatile for everyday wear. The Truewerk brand ensures quality and performance in this comfortable and stylish pullover shirt.