Backpack cooler

Description

FIG. 1 is a front view of a backpack cooler showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a right view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The broken lines show portions of the backpack cooler that form no part of the claimed design.

Claims

The ornamental design for a backpack cooler, as shown and described.