Looking for helmet high poly sculpt 3d? Get this Polygon mesh 3D model from hogok via CGTrader for $9. Technical specs: 1100000 polygons, 2000000 vertices.
ZTL (Zbrush, filesize: 7.01 MB), OBJ (OBJ, filesize: 19.5 MB), STL (Stereolithography, filesize: 35.6 MB)