Check out Motorcycle Helmet Low-poly 3D model on CGTrader for $3. High-quality mesh by Gamepro9: 100000 polys, 100000 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 135 MB), FBX (Autodesk FBX, filesize: 51 MB), BLEND (Blender, filesize: 110 MB), GLTF (glTF, filesize: 51.5 MB)