Shell shaped bonnet

FIG. 1 is a top perspective view of a shell shaped bonnet in an expanded configuration showing my new design;

FIG. 2 is a front elevation view of the shell shaped bonnet;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view of the shell shaped bonnet portrayed in an expanded configuration; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings depict stitching that form no part of the claimed design. The D-shaped broken lines in FIGS. 3 , 5 , and 6 depict environment and form no part of the claimed design.