This specific 3D model, "Sport Suit Low-poly 3D model 82", 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: 516 KB), OBJ (OBJ, filesize: 698 KB), FBX (Autodesk FBX, filesize: 1.13 MB), ZPAC (Marvelous Designer, filesize: 6.52 MB), BLEND (Blender, filesize: 1020 KB), GLTF (glTF, filesize: 578 KB)