Casual pants Are you looking for casual trousers that are so comfortable and practical that you never want to wear anything else? Look no further. Louis has them! These trousers made of heavy, hard-wearing cotton are tailored with a great casual style. And you can never have too many pockets, after all! What's more: If you're in any doubt about size, you can order two different sizes from Louis online and try them on. Louis will take back any item that does not fit or which you do not like.