Crafted from pure wool in a hardy twill weave, this Hackett London suit jacket is a timeless formal staple. Cut to a regular fit, it features a two-button front, notch lapels, flap side pockets, a welt breast pocket, four-button cuffs, and two vents to the reverse. Combine with the matching trousers, a plain shirt and silk patterned tie for a perennially smart ensemble.