Military-Navy Cap Low-poly 3D model is available on CGTrader for $8. Original author: JankicDesign. Specs: 420 polys, 433 verts.
STL (Stereolithography, filesize: 42.2 KB), OBJ (OBJ, filesize: 55.3 KB), 3DS (3D Studio, filesize: 19.8 KB), FBX (Autodesk FBX, filesize: 32.9 KB), DAE (Collada, filesize: 86.1 KB)