Check out Military Bulletproof Vest Low-poly 3D model on CGTrader for $15. High-quality mesh by DanilFursov: 47392 polys, 23688 vertices. Rigged, PBR, Textured.
BLEND (Blender, filesize: 162 MB), OBJ (OBJ, filesize: 1.2 MB), FBX (Autodesk FBX, filesize: 5.17 MB), PNG (PNG, filesize: 154 MB)