Banana Republic Men’s SLIM CASTELLO LINEN SHIRT in Navy size Small. Good condition A casual button down shirt, crafted in our signature linen fabric, selected for its softness, lightweight and natural breathability. Slim Fit: Slimmer than our Tailored Slim, this expertly tailored shirt is cut for a close fit. Spread collar with button-front closure. 100% flax (linen). Machine wash. Imported.