The COS polo shirt is a pillar of the men's capsule wardrobe. Offered in versatile navy, this one is crafted from premium mercerized cotton and shaped in a classic fit that's easy to style with denim and tailoring. It features a ribbed collar, mother-of-pearl buttons and short sleeves. Regular fit Button closure Shell: 100% Cotton. Excluding trims / Machine wash Back length of size M is 26.65" / Model wears a size M