Duffel bag

FIG. 1 is a top, front, right perspective view of a duffel bag showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof.

The contrast in shading represents a contrast in appearance only and does not represent any particular color, material, texture or finish. The broken lines on the shaded surfaces of the bag illustrate stitching and a zipper track and form part of the claimed design. The remaining unshaded broken lines illustrate portions of the duffel bag and form no part of the claimed design.