The ornamental design for a narrowwidthfootballhelmetcanteen, as shown and described.
FIG. 1 is a right side elevational view of the narrow width football helmet canteen showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof wherein a portion of the inside surface is shown viewed through the open cap; and,
FIG. 5 is a right side elevational view thereof with a partial sectional cut out broken away for ease of illustration cut down a portion of the central axis showing a portion of the interior.
The broken lines in the drawing depict portions of the narrow width football helmet canteen that form no part of the claimed design.