Osprey Sirrus 36-Litre Backpack

I bought this backpack for a 2 week backpacking trip in Spain. I chose this size because I could carry it on a plane, and was very manageable for carrying a lot of weight. I don't think I could've purchased a better bag! It's extremely durable first of all, and I thought the different compartments were just right. There weren't a ton of tiny pockets (like for a computer type of brief case), but one large storage area, along with a few internal and external compartments.

I also purchased this bag because I was specifically looking for a women's edition bag. Before buying this bag, I purchased a men's backpack and ended up returning it because it didn't feel right. The women's cut makes a world of difference! By the end of my trip, I was toting around 2 bottles of wine in addition to all my other junk, and it was still pretty managable, which I believe is mostly because the straps and buckles fit me just right.

I feel really strongly about my purchase and would recommend this backpack to anyone. On a side note, I also used compression bags in order to pack more clothing as well.

It took me some days to decide which back pack I should buy to my trip to Brazil. I made the perfect choice! I just took this backpack with me for 15 days on the road, it is extremely comfortable and resistant! I had to check it in several local airports of Brazil and I was really worried it could get damaged, to my surprise the back pack was in excellent conditions and the harness mesh, which might seem to be vulnerable to be torn, was without a damage after 7 flights!! The raincover is great and in general it is really spacious. I loved the pockets on the sides of the hipbelt. I had the optimal amount of shoes and clothes for my hiking adventure and I could pack everything in it, I don't like to have an uncomfortable heavy pack on my back which make me feel like a loading donkey but neither a small one in which I would not be able to back all my travel stuff for 15 days, and this pack pack is just perfect!!

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I was debating whether to splurge on this backpack because I really wanted it or get a more affordable option.

I'm glad I got this backpack.

I love all the compartments. My laptop (13" Dell XPS ultrabook) fits perfectly in the water pouch. I use this backpack both for everyday use and short backpacking trips. The pack can hold a surprising amount of stuff if you want it to. The curvature of the frame does make the large pocket a weird curved shape, so sometimes things get lost in the bottom, but this isn't a deal buster. The gap between the frame and mesh on your back is great. It let's your back get air, and it's a head-turner (and conversation-starter) at work.

I am 5'6'' and have a shorter back, and this frame is a bit on the large side, but it still fits. The small would also probably have been a suitable choice.

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I have this pack in purple. I use it for my shorter day hikes. (For my longer hikes I use an Osprey Ariel 65). In both cases, the frames in the packs offer great support, but they also are lightweight and flexible. The frames flex when I move so the packs maintain their comfort level.

I like the compression strap placement plus the fact that the top pocket is divided into two sections.

The two pockets on the hip belt are nice for snacks or small items (I keep medication and extra camera battery in one, and snacks in the other). The small pocket in the right chest strap doesn't hold much, but it is big enough for my ipod nano or a pack of tissues.

After switching from Kelty to Osprey, I won't go back. I absolutely love the frames built into the Osprey packs. They are lightweight and very comfortable to wear. When I lift my pack by hand, it's heavy but when it's on my back, it's very wearable. I can load this up with 30# worth of gear and not feel the weight of it at all.

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I'm 5 feet tall and most bags just don't fit or have features that I like. This one can be ordered in multiple sizes. I don't do any overnight hiking but like to carry extra jackets and food for long day hikes. This is perfect. My back doesn't sweat and it is very comfortable.

The one slighty larger than this one is from what I can tell exactly the same except for an extra compartment at the top. I ordered both and returned the larger one because I don't like the way it hit the back of my head. If you do need the room for extra gear it may be a good solution for you.