I claim the ornamental design for a face mask with neck cover, as shown and described.
FIG. 1 is a left-side elevation view of a face mask with neck cover showing my new design.
FIG. 2 is a front elevation view of a face mask with neck cover showing my new design.
FIG. 3 is a bottom plan view of a face mask with neck cover showing my new design.
FIG. 4 is a right-side elevation view of a face mask with neck cover showing my new design.
FIG. 5 is a top plan view of a face mask with neck cover showing my new design.
FIG. 6 is a rear elevation view of a face mask with neck cover showing my new design; and,
FIG. 7 is a perspective view of a face mask with neck cover shown in use.
The dashed lines on the trim and the zigzag lines on the mask represent covnentional stitching.
The broken line showing of eyes, and a portion of the head and neck in FIG. 7 is included for the purpose of showing the environment of the face mask with neck cover and forms no part of the claimed design.