DESIGNED BY MR PORTER. Relaxed tailoring has been a key part of practically every Mr P. collection. This jacket is cut from smooth organic cotton-blend moleskin with a three-button close and softly curved sleeves. Style yours with the matching trousers and knitwear. Lower Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our Consciously Crafted criteria here.