Jumper by J.Crew Mercantile, Ideal for layering, Crew neck, Plain design, Ribbed cuffs and hem, Regular fit, A standard cut for a classic shape. 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.