Osprey Packs Sirrus 36 Backpack - 2100-2300cu in - Women's

It is not. It is fixed in place.

I tried on both, and while I liked the look of the Jade a lot better, I ended up buying the Sirrus. It was just more comfortable on my tall, narrow-shouldered frame. Among other things, the hip belt on the Jade was too big when the torso length was correct, and the Sirrus just seemed to sit better on me when weighted.

I have had a Jade 30 and I didn't like it very much. It was well made, but the interior space was not very usable--the pack is too narrow to fit things in an efficient manner.

However, I did find that the breathability and the durability of both packs is comparable. The carry of the Osprey was a bit better--the harness and hipbelt fit much better.

Hey Shelley! I was debating between the Sirrus 36 and Talon 33 too. After testing both, I went with the Talon because it's much more lightweight and moved with my back better after I loaded it with stuff. I've mainly used it for daytrips skiing, rock climbing and on a winter climb of Mt. Washington and I've been super happy with it. My biggest hesitation before buying the Talon was that it basically has no frame, so I wondered whether it distributes weight effectively, but it has a stiff back panel that compensates well and I've had no problems with loads up to ~15 lbs (which I figure is about the max I'd have for a daytrip anyway). I have an 18" back so I am right in between the S/M too. The Talon only comes in S/M but for my Osprey Ariel, but I went with the S because I have narrow hips and the hip belt fit me much better. Hope this helps!

Hi Shelly, these packs are two different animals. The Sirrus will give you more cush and more suspension, but more weight. It will also carry more weight better. The Talon is one of my favorite series, so you can't go wrong either way. Its really up to you: lightweight, or more featured?

Thanks! I think I'll definitely get this pack then!

The dimensions of the medium are 23" tall (with lid stuffed out) x 12" wide x 8" deep. Adds up to 43" which is less than the rule that all dimensions must add to 45" or less. You are interested in the small so it will probably be more like 21" or 22" tall. So yes, it should work.

And from personal experience, I have never had my backpack measured for the 45" rule and it is about a 44" pack. I traveled with it to Costa Rica with no problems. If it were a rolling luggage, I'd be more careful though.

Agree with Angus, you will not have a problem using this as a carry on.

You should definitely be able to bring this as carry on. I traveled with a 42L Black Diamond pack that fit fine, and this one's only 33L in the small size.