REI brand “New Star” backpack, size Large (about 5100 cu in). Very durable and excellent condition through-out.
$80 Shipped CONUS.
It has been used on a three day trip across the Grand Canyon, and twice on canoe trips. It weighs 6.5 pounds on our kitchen scales.
Google results show excellent reviews and new prices from $180 to $200, and $100 on clearance sales.
I bought this for my son when we hiked the GC. It has sat in the closet 5 years since he moved to HI.
It has a removable top pack covering the main opening that can be used as a daypack / buttpack . There is no strain damage anywhere.