This men's button-up shirt from Old Navy is a classic wardrobe staple with a slimming feature. The shirt is designed with a geometric pattern, short sleeves, and a collared neckline. It is made of high-quality materials and comes in a blue color with white button accents. The shirt is perfect for casual occasions and can be paired with jeans or khakis. It is available in size S and is suitable for regular-sized men. The shirt is a must-have for any man's closet and is ideal for a classic theme.