The ornamental design for a hat with decorative netting, as shown and described.
FIG. 1 is a right side elevation view of a hat with decorative netting of the present design, the left side elevation view being a mirror image of the right side elevation view thereof;
FIG. 2 is a rear elevation view of a hat with decorative netting of the present design;
FIG. 3 is a front elevation view of a hat with decorative netting of the present design;
FIG. 4 is a top plan view of a hat with decorative netting of the present design;
FIG. 5 is a bottom plan view of a hat with decorative netting of the present design;
FIG. 6 is a right side elevation view of a hat with decorative netting of the present design, the left side elevation view being a mirror image of the right side elevation view thereof;
FIG. 7 is a right side elevation view of a hat with decorative netting of the present design, the left side elevation view being a mirror image of the right side elevation view thereof; and,
FIG. 8 is a rear elevation view of a hat with decorative netting of the present design.
The broken lines represent environmental subject matter and form no part of the claimed design.