The knitted vest occupies a particular place in a well-built wardrobe: worn over a shirt, it adds a layer of warmth and a layer of character without the formality of a jacket or the bulk of a jumper. Twenty-one styles here, in merino, cashmere, and fine wool blends. Wear it with a collar and tie for a quietly assured, old-school correctness, or over an open shirt for something more relaxed. Either way, it works.