Size 15 collar so a medium
The Ralph Lauren Men's Long Sleeve Check Button-Up Shirt is a stylish and versatile addition to any man's wardrobe. Made from comfortable cotton material with a regular fit, this shirt features a classic button-down collar and a multicoloured check pattern, perfect for casual occasions. Machine washable for easy care, this button-up shirt from a trusted designer brand like Ralph Lauren offers a timeless and high-quality look that is ideal for spring.