It is a Helmet for the Mountain Bikers.
MA (Autodesk Maya, filesize: 14.7 MB), OBJ (OBJ, filesize: 26.4 MB), FBX (Autodesk FBX, filesize: 5.39 MB), GLTF (glTF, filesize: 6.37 MB), STL (Stereolithography, filesize: 12.4 MB), SLDPRT (SolidWorks, filesize: 4.53 MB), BIP (KeyShot, filesize: 9.59 MB)