Out of the box, The Sims 4 offers a "masculine" and "feminine" frame. You can put a masculine frame in a dress and add long eyelashes, and you can give a feminine frame a flat chest and body hair. But the actual mesh —the 3D skeleton and muscle definition—remains locked.
Male Sims have a different "bone" structure in the game code. The Solution: Mistaken-Sims' sims 4 feminine male body mod
Use sliders like those found on Pinterest collections to increase hip width and soften thighs without requiring a full body preset. Out of the box, The Sims 4 offers