Backpack

FIG. 1 is a top, front and left side perspective view of the backpack with detachable pouch of my new design. FIG. 2 is a front elevation view thereof. FIG. 3 is a rear elevation view thereof. FIG. 4 is a right side elevation thereof. FIG. 5 is a left side elevation view thereof. FIG. 6 is a top plan view thereof. FIG. 7 is a bottom plan view thereof. FIG. 8 is an exploded view of the backpack of FIG. 1 with pouch detached from a main portion thereof. FIG. 9 is a perspective view of a second embodiment of the backpack of FIG. 1 in which the pouch is detachable by way of a zipper; and, FIG. 10 is a perspective view of a third embodiment of the backpack of FIG. 1 in which the pouch is detachable by way of a hook and loop fastener. The elements drawn as broken lines show portions of the backpack and form no part of the claimed design. The elements in FIG. 8 drawn as “—.—” represent separation of the detachable pouch from a remaining portion of the backpack thereby showing the exploded view in FIG. 8 .