Face mask

<figref idref="DRAWINGS">FIG. 1</figref> is a perspective view of the face mask in accordance with our design;

<figref idref="DRAWINGS">FIG. 2</figref> is a front elevational view of the face mask;

<figref idref="DRAWINGS">FIG. 3</figref> is a left side elevational view of the face mask;

<figref idref="DRAWINGS">FIG. 4</figref> is a right side elevational view of the face mask;

<figref idref="DRAWINGS">FIG. 5</figref> is a top plan view of the face mask;

<figref idref="DRAWINGS">FIG. 6</figref> is a bottom plan view of the face mask; and,

<figref idref="DRAWINGS">FIG. 7</figref> is a rear elevational view of the face mask.

The portions of the face mask shown in dashed lines form no part of the claimed design. The portions of the face mask within the dashed line boundary surrounding an interior of the seal of the face mask in FIG. 7 for no part of the claimed design.