COS Stores PortugalSwap out your long-sleeved shirts for this summery version as the weather warms. It’s crafted from white cotton-poplin that has a naturally breathable quality and designed in a slightly boxy shape that’ll work just as well tucked in as it will left loose over skirts and pants.- Regular fit- Button closure- Short sleeves100% Cotton / Machine washBack length of size 6 is 22.04″ / Model wears a size 6