Casual: Pair it with dark jeans, a white or light blue button-down shirt, and brown loafers for a smart-casual look.Wear it with chinos in a complementary color like olive or navy, a simple t-shirt, and sneakers for a relaxed weekend outfit.Layer it over a turtleneck sweater and jeans for a sophisticated yet comfortable look. Business Casual:Combine it with grey wool trousers, a patterned dress shirt, and brown dress shoes for a polished office look.Wear it with navy chinos, a crisp white shirt, and a patterned tie for a more formal business casual outfit.Formal: Pair it with dress pants in a matching shade of brown, a light-colored dress shirt, and a tie for a semi-formal event. Wear it with a contrasting waistcoat and a pocket square for a stylish and refined look.