The ornamental design for a visor, as shown and described.
FIG. 1 is a front perspective view of a visor in accordance with an embodiment of the present design;
FIG. 2 is a top perspective view of the visor of FIG. 1;
FIG. 3 is a right side elevation view of the visor of FIG. 1;
FIG. 4 is a left side elevation view of the visor of FIG. 1
FIG. 5 is a bottom perspective view of the visor of FIG. 1;
FIG. 6 is a rear elevation view of the visor of FIG. 1;
FIG. 7 is a rear perspective view of the visor of FIG. 1; and,
FIG. 8 is a front perspective view of the visor of FIG. 1.
In FIGS. 1-8, the features of the visor shown in regularly-incremented and dotted phantom lines illustrate environmental structure only and do not constitute a part of the claimed design.