COS Stores PortugalA polo shirt is such a versatile piece to have to hand, since it works for daytime but is smart enough for dinners and events. Finely knitted from a luxurious blend of Mulberry silk and cotton in a dark-green hue, this one has a classic spread collar, buttoned half-placket and neatly ribbed trims.- Slim fit- Button closure55% Mulberry Silk, 45% CottonBack length of size M is 26.37″ / Model wears a size M