Backpack

FIG. 1 is a front perspective view of the backpack claimed herein;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of portions of the backpack is included for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design.