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Osprey Packs Atmos 50 Backpack Osprey Packs: Atmos 50 Backpack

Osprey lightens up for fastpacking minimalists and active adventurers. 3200 cu. in. capacity.
If there was ever one nagging critique about most well-designed ultra-ergonomic Osprey packs it was the weight. Osprey's Atmos 50 silences the critics with over 3200 cubic inches of pack space in a supportive and functional pack design that weighs less than three pounds. If you ever wanted a supportive and lightweight backpack for moving fast and far the Osprey Atmos 50 is easily one of the most comfortable light packs on the planet. Anything that touches your back is covered with a breathable mesh or a special perforated waffle foam that won't heat you up like conventional backpanel fabrics. The backpanel on the Atmos 50 is stretched taut so the load sinks evenly into the lumbar support area instead of riding on your hips resulting in uniform pressure that neutralizes hot spots. Two quick release straps on the other side of the backpanel attach to your hydration pouch for fast refill access and versatile hydration tube routing. If you're looking for a lightweight pack for fast overnight trips or minimalist backpacking adventures the Atmos 50 backpack is one of the lightest and most comfortable designs you'll find today.

This is a really nice pack, but... Image: 4 Stars
by Travis Hostetter
I am training to hike about 300 miles of the AT this summer. I picked up this pack in preparation for the hike. I have done several weekend trips for a total of about 50 miles here are my impressions so far: Pros: Lightweight. Great frame design. Comfortable. Plenty of pockets. Breathable/keeps your back nice and cool. Convenient design for storing items in specific locations. Cons: Skimpy padding. Mesh side pockets get caught easily when "bushwacking." The design for keeping your back cool cuts into your internal storage space. All in all this is a great pack. It carries 25 lbs. nicely but if you are trying to push 40 lbs. it will not be comfortable. If you are thinking about picking this pack up you should. As long as you are trying to be a light packer and not carry a ton of extra stuff.

Most excellent Image: 4 Stars
by Chelsea Huff
The pack like most are saying is a dream come true. It has everything you need and more for a quick nip into the backcountry on the weekend and enough room for a longer trek. It is also great for hauling gear instead of a suitcase. My only concern would be the durability of the mesh backpanel and its longterm abilities to prevent back problems. I haven't had any problems on weekend trips but on longer treks 20 miles a day for a few weeks I noticed back fatigue I haven't noticed with other packs on similar treks.

You need this pack! Image: 5 Stars
by John Chappell
I love this pack! The airflow system is great and keeps me cool. The unusual frame makes packing it a little different at first but once you get used to it it is no issue. I've tried so many different packs looking for a light weight that still felt sturdy enough. It has been a delight to wear this pack. Osprey's products are always good but this one is something really special. If you are looking to trim weight and still carry everything you need the atmos 50 is the ticket!

Comfortable and Lightweight Image: 5 Stars
by Dave
I bought the Atmos 50 backpack for a day hike up Mt. Whitney. I wanted a lightweight pack large enough to hold rain gear extra layers water filter survival gear etc. This pack was plenty large enough to hold all my gear weighing in at 15 to 22 pounds including 2-3 quarts of water and food. This pack is very comfortable. The shoulder and waist straps are easy to adjust but I found the waist strap would occasionally loosen up a bit thus requiring an occasional tug on the adjuster. My hiking buddy also experienced the slipping waist strap on his Atmos 50 pack too so I wasn’t the only one experiencing this problem. The breathable mesh back panel is awesome and keeps the back of my shirt dry. My CamelBak water bladder works perfectly with this pack. I usually hang it behind the mesh back panel to free up more space in the main storage compartment. One of my favorite features is the zippered mesh pockets on the hip belt which provides easy access storage for my camera.

Great Pack Image: 4 Stars
by Anonymous
Great pack fits just right. Try it you will love it!