S-XL - Men's Performance Plus Oxford. Made of 100% cotton. Fabric treated to releases wrinkles and stains. Features flat-felled seams, Dura-Pearl (TM) buttons, rolled button-down collar, adjustable cuffs, center back pleat, left-chest pocket, and locker loop. This shirt works hard to protect against accidents and spills, while constantly maintaining a sharp, crisp look. A clever blend of functionality and style.