White fabrics pose a specific "show-through" risk when stretched or wet. Technical best practices recommend using a heavier lining for light-colored suits to maintain modesty.

If you are referring to a specific video titled as a case study for garment construction or fabric testing, there is no widely known academic or "useful paper" under that exact filename.

The "stretch" in these garments is usually provided by elastane (Spandex/Lycra). Overstretching can lead to "grinning," where the internal elastic fibers become visible or lose their ability to snap back. Resources for Garment Analysis

For swimwear, it is critical to use fabrics that stretch both horizontally and vertically to maintain shape and fit. Beginners can find practical guides on these secrets at Seamwork .