The ornamental design for an umbrellahavingreflectivematerial, as shown and described.
FIG. 1 is a perspective view of an umbrella having reflective material;
FIG. 2 is a front view of the umbrella having reflective material, where the rear, left, and right side views are a mirror image;
FIG. 3 is a plan front view of the umbrella having reflective material; and,
FIG. 4 is an enlarged side elevation view of a portion of the umbrella showing the reflective material.
A bottom view is omitted as it does not include any ornamental features of the claimed invention.
The flecked sections are shown to illustrate a reflective, contrasting material from the body of the umbrella. The umbrella includes a plurality of members formed of the reflective material around about the umbrella, with all the reflective sections being intended as identical.
The phantom lines depict environmental subject matter only and form no part of the claimed design.