Amywrote a review of Osprey Packs Aura 50 Backpack - 2441-3234cu in on August 19, 2014
Familiarity: I've put it through the wringer
I use this for day-trips to sport climb and I can easily fit my rope in the main compartment as well as all of my other gear (shoes, quickdraws, helmet, snacks, extra clothing, etc.) without a problem. I also have used it on short overnight backpacking trips and it's a great size for that.
It's quite comfortable. Even on hot days its design is such that there is ventilation between your back and the backpack -- thus minimizing a sweaty back. The padded hip belt and adjustable straps make walking long distances comfortable and relatively pain-free. Ideally you should get sized at a outdoor gear store to ensure you get the right pack size to ensure comfort. I'm 5'4" and the Small fits me well.
The eggplant purple color is kind of a burgundy shade.