Crafted from a stretch wool blend in a lightly textured marl weave, this Palmer suit jacket from Kin by John Lewis will make a handsome addition to your formal wardrobe. Cut to a slim contemporary fit, it is fully lined and features a single button front, elegant peak lapels, flap side pockets, a welt breast pocket, four-button cuffs, and two vents to the reverse. Combine with the matching trousers, a fitted shirt and silk patterned tie for a sartorial finish.