Mask

[0001]FIG. 1 is a front view of a mask showing my new design;

[0002]FIG. 2 is a rear view thereof;

[0003]FIG. 3 is a top view thereof;

[0004]FIG. 4 is a bottom view thereof;

[0005]FIG. 5 is a left side view thereof;

[0006]FIG. 6 is a right side view thereof;

[0007]FIG. 7 is a rear perspective view thereof;

[0008]FIG. 8 is a bottom perspective view thereof;

[0009]FIG. 9 is another bottom perspective view thereof, showing the mask in an alternative configuration;

[0010]FIG. 10 is a side view of a person wearing the mask of FIG. 9; and,

[0011]FIG. 11 is a partially enlarged view showing the circled portion in FIG. 10.

[0012]The evenly spaced broken lines depict portions of the mask and environment that form no part of the claimed design.

[0013]The dot dot dash lines denote the boundaries of the detail areas and form no part of the claimed design.