FLEX is a fast and versatile figure reference tool designed for all types of creatives. Quickly customize, pose, light, and capture reference of a male or female character for illustration, storyboarding, architectural visualizations, and more.

## Mature Content Description
The developers describe the content like this:
Created Characters can be viewed without clothing, and feature simple, black
undergarments. Characters can also be viewed with an anatomical muscle texture
overlay. This option does not feature undergarments.

Flex – Figure Reference