Reversible triangle tops are your best bet.

Yes, they exist, and they’re a packing lifesaver.

Triangle tops are the most common reversible style — easy to fold, no underwire, and they flip cleanly. Look for two distinct solid colors (black on one side, white on the other, or maybe a neutral and a pop color). A solid + subtle print works too, but solid-to-solid gives you the most versatility because you can mix with any bottoms.

Avoid thick padding or underwire — those never reverse well and end up lumpy. Brands like Aerie, Summersalt, and Cupshe have good options. For bottoms, get a solid neutral that matches both top colors. Now you have: top side A +