In case you missed it, sweater vests have officially made their fashion return - but the latest styles are far from the vests you might find in your grandmother's closet. Instead, cool girls and rich moms alike are loving a more relaxed button-down or tie-front style that somehow feels both casual and elevated. These knit sweater vests are not only easy to throw on, but they're also a major upgrade to your basic white tank, with a sophisticated look that instantly pulls your outfit together.