For sale: a super clean REI Comet backpack. This pack has an adjustable torso length and is designed for 6 to 10 year old kids. It can carry a water bladder in the right hand vertical pocket with a hose port. It is a top loader with a zippered sleeping bag compartment on the bottom that has a pass-through/shelf with a drawstring if you want to use the entire length of the bag. Weighs 2lbs 8oz on my scale. In excellent condition with no stains or damage. $50 including US shipping and PayPal fees.

REI description:

* Top-loading backpack easily holds child's sleeping bag and a few extras
* With a ''rip-and-stick'' torso adjustment, shoulder strap system easily slides on pack's frame to fit torsos of varying lengths
* Waistbelt wraps around and adjusts for the best fit; hipbelt sports two mesh zip pockets for stashing rocks, other found treasures or action figures!
* Hydration-compatible, zippered side pocket with a tube exit port holds up to a 1-liter reservoir, sold separately
* Top zippered pocket lets kids stash their headlamp, camp toys and other gadgets; a parent-friendly handle on top helps in putting on the pack
* Unique ''windowpane'' panels on two zippered stash pockets let kids see inside, helping them find their gear more quickly
* Oversized front mesh stuff pocket easily swallows a jacket or favorite stuffed animal
* Bottom zippered storage compartment lets them keep dirty shoes or clothes separate from main compartment
* Sized to fit kids from ages 6 to 10 years old

Specification:
Volume: 36.9 liter/2,250 cubic inches
Weight: 2 lbs. 8 oz/1.13 kilograms
Adjustable torso: 11.5 - 15.5 inches
Fits waist/hips 25 - 42 inches
Fabric: Nylon/polyester
Frame: Aluminum stay
Suspended mesh back panel
Sleeping bag compartment