The UniFirst Work Shirt for men in size medium is a green button-up shirt made from a comfortable cotton blend twill fabric. Featuring a solid pattern with a collared neckline and short sleeves, this shirt is perfect for workwear occasions. It has a regular fit, button-down collar style, and is machine washable for easy care. Additionally, it includes a patch with the O'Reilly Auto Parts logo, making it a great choice for mechanics or car enthusiasts.