The neckline frames the shoulders, neck and face, and change their apparent width, height and angularity. The neckline shape to be chosen should balance the wearer's natural features. Hence, a round face is well-framed by an angular (linear) neckline and collar, whereas an angular face is softened with curves. Similarly, a short neck and face can be lengthened by necklines with strong vertical (or nearly vertical) lines, like a plunging V neckline; conversely, high necklines such as the jewel or turtleneck types balance long faces. Broad shoulders can be narrowed with necklines that converge inwards (e.g., the halter neckline), whereas pear-shaped figures can be balanced by diverging or horizontal lines, e.g., an off-the-shoulder or boat neckline. The seemingly endless choices allow women to find a style that works best for their personality and body type.
Whatever may be the shape of the neckline of a garment, it can either be finished by