T-shirt by J.Crew Mercantile, For your daytime thing, Striped design, Crew neck, Chest pocket, Regular fit, Just select your usual size. Cop yourself some classic, all-American apparel with our edit of J.Crew Mercantile. Expect everything from preppy shirts and true-blue jeans to T-shirts that fit right into your everyday wardrobe, as well as layer-friendly jumpers.