The addresses this directly. It is a "revised" mesh, meaning it alters the underlying 3D geometry of the Sim. The Allure shape introduces a subtle, natural droop and a teardrop contour that mimics real anatomy. It moves away from the "bolt-on" aesthetic often found in standard video game character creators, offering a shape that looks like it has mass, weight, and natural movement.
Looking to add more realism and detail to your Sims' anatomy? Sopor’s Allure