The butt isn’t as protruding as a female Sim with a feminine frame, but the difference is noticeable. A male Sim with a feminine frame gets thinner legs with more curvy definition. A female Sim with a masculine frame allows full breasts.However, you can adjust these manually to your liking.

The shoulders aren’t as broad as a male sim with a masculine frame. A female Sim with a masculine frame still has slight curves around the butt and upper thigh. Manually customize the body to get the specific shape you desire. Female Sims with a masculine frame and male Sims with a feminine frame look very similiar. If you select feminine, you’ll get the female selection of face shapes and vice-versa.

This is only affects the Sim you choose a frame of the opposite gender.