A square neck bodysuit in a structured fabric creates definition through the neckline and through the fabric choice. Cotton blends and thicker knits hold the square shape properly which matters because a drooping square neck loses the point entirely. The structure also means these bodysuits sit well on different shoulder widths and chest sizes without constant adjustment. Structured fabrics tend to photograph better and look more intentional which is important when the square neck is doing the heavy lifting of the design. These bodysuits work well when you want something that reads as a deliberate choice rather than an accident of fit.