EXCLUSIVE AT MR PORTER. The Italian cotton-poplin used to make Mr P.’s shirt is woven from very fine yarns that together create a dense, opaque cloth. It’s tailored in a classic slim-fit shape and detailed with a neat, subtly elongated pointed collar with removable stays and iridescent mother-of-pearl buttons. Wear it to the office with these trousers from the collection. Shown here with Mr P. blazer, Mr P. trousers, Mr P. shoes, Mondaine Watch. Explore the world of Mr P. This item is small to size. See Size & Fit notes. – – White cotton-poplin – Classic collar with removable stays, buttoned cuffs – Button fastenings – 100% cotton – Machine wash – Mother-of-pearl: Australia – Imported- For Men.