This specific 3D model, "Sport Suit Low-poly 3D model 52", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
STL (Stereolithography, filesize: 482 KB), OBJ (OBJ, filesize: 613 KB), BLEND (Blender, filesize: 926 KB), GLTF (glTF, filesize: 462 KB), ZPAC (Marvelous Designer, filesize: 7.48 MB), FBX (Autodesk FBX, filesize: 942 KB)