This specific 3D model, "Sport Suit Low-poly 3D model 71", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 373 KB), OBJ (OBJ, filesize: 544 KB), BLEND (Blender, filesize: 842 KB), FBX (Autodesk FBX, filesize: 939 KB), GLTF (glTF, filesize: 458 KB), ZPAC (Marvelous Designer, filesize: 6.41 MB)