Overview
When worn by women with large breasts, it shows off the lines of the body.
When worn by women with modest breasts, it has a different appeal (the vertical lines make them look slender).
There are various forms of vertical stripes sweater, such as turtlenecks and sleeveless, and there are also many pictures posted of people wearing just the vertical stripes sweater, without any underwear or anything else, which makes the lines of the body stand out even more.