Designed to keep you warm during the cooler months, this woollen slim fit suit jacket from Jaeger is a formal staple. Expertly cut to a slim fit and crafted from pure wool, it features a single-breasted two-button front, a flap pocket to each hip, a welt breast pocket, full lining, and a single vent to the reverse. Pair with the matching suit trousers, a plain white shirt and a bold silk tie for instant sartorial flair.