. DESIGNED BY MR PORTER. Mr P.'s slim-fit trousers will serve any wardrobe well. They're neatly tailored from cotton-blend twill, with pressed pleats through the leg. Classic pieces like this work best when you don't overthink how to wear them, a great bit of knitwear and some loafers will do nicely. Wear it with: Mr P. Sweater, G.H. Bass & Co. Shoes, Le Gramme Bracelet, Mr P. Socks.