This is a colossal and not UL backpack.

Pics: https://bellingham.craigslist.org/spo/d/bellingham-80-liter-backpacking-backpack/7709872656.html

REI mars 80 in size med/large. Maybe used once or twice. basically brand new.

This is what it looks like with too much stuff in it:
https://www.rei.com/product/795513/rei-co-op-mars-80-pack

maybe you have a desperate need for a giant backpack that weighs as much as your friends’ entire base weight? Or perhaps you’re going to climb kilimanjaro and you plan on giving it away to the local porters…

Free  – Just pay for shipping.