The ornamental design for a combinedneck and chest warmer, as shown and described.
FIG. 1 is a front left perspective view of the neck warmer portion of a combined neck and chest warmer in accordance with the new design;
FIG. 2 is a front left perspective view thereof, with the chest warmer portion attached;
FIG. 3 is a rear left perspective view thereof;
FIG. 4 is an exploded front elevation view thereof; and,
FIG. 5 is an exploded rear elevation view thereof.
The broken lines in FIG. 1, which represent a human form, are for environmental purposes only and form no part of the claimed design. The broken lines shown on the combined neck and chest warmer in FIGS. 1-5 represent boundaries of the design with the lines themselves and the areas within them forming no part of the claimed design.