DESIGNED BY MR PORTER. Mr P.'s wardrobe essentials are purpose-built for modern life. This tank top is cut from ribbed cotton-jersey blended with a hint of stretch for comfort and plenty of flexibility. Layer yours under a shirt and team it with wide-leg trousers or jeans.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.