If you’ve ever tried on workout clothes and thought, “Why does everything either look boxy or ride up?”—you’re not alone. Athletic or rectangle body shapes often get left out of the fit conversation.

The body-positive movement has encouraged people, especially women, to see beauty in all shapes and sizes, and it's reminded us that body ideals are culturally constructed and not based on science.

If, like us, you grew up reading lots of fashion advice about what to wear to flatter your body, and therefore you also know that the struggle to figure out which of the many beautiful body types you ...