A garment featuring a wide, shallow neckline that runs horizontally across the collarbone, typically exposing both shoulders to a similar degree, is a defining characteristic of the style. This design distinguishes itself from other necklines through its broad, open shape, resembling the curve of a boat or bateau. Often crafted from materials such as cotton, linen, or jersey, the resulting upper-body wear may be found in casual or semi-formal settings.
The appeal of this specific design lies in its understated elegance and comfortable fit. The open neckline allows for freedom of movement while subtly highlighting the wearer’s upper body. Historically, its design originated in nautical wear, providing practicality for sailors needing unrestricted arm movement. Further, the neckline’s simple geometry complements various body types, and the understated visual contributes to a refined appearance.