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  • Osprey Packs Atmos 50 Backpack (Graphite Grey, Small)
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Osprey Packs Atmos 50 Backpack

by Osprey
69 customer reviews
| 6 answered questions

Price: $157.50 - $355.56
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Graphite Grey
  • Super lightweight series of packs features redesigned AirSpeed suspension system for a customized fit
  • Adjustable harness, AirSpeed suspension, Fit-On-The-Fly hipbelt, and hydration sleeve
  • Removable sleeping pad straps, removable top pocket, tool attachment, and vertical zip pocket
  • Small has 47-liter capacity and three-pound, one-ounce weight; medium has 50-liter capacity and three-pound, four-ounce weight; large has 53-liter capacity and three-pound, four-ounce weight
  • Includes limited lifetime manufacturer's warranty

Product Description

Product Description

The Atmos 50 provides the ideal volume for your next superlight backpacking experience. At 3000 cubic inches and with an average weight of just over 3 lbs / 1.5 kg, you can carry your superlight essentials with ease and comfort. A traditional floating top pocket/top load design and twin front pockets with welded water resistant zips makes loading easy. Other features include an internal hydration sleeve, zippered mesh pockets on the adjustable hipbelt and removable sleeping pad straps.

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Stow straps let you affix mountaineering tools such as ice axes or trekking poles.
With the Atmos Series of packs, gear maker Osprey sought to redefine expectations about weight, ventilation, and comfort. As a result, a redesigned AirSpeed suspension system now provides a customized fit, with fully adjustable torso length, interchangeable harnesses, and adjustable hipbelt fit. Durable materials, meanwhile, include 210-denier twill nylon and 100-denier mini-ripstop nylon for long-lasting use.

The Atmos 50, ideal for through-hiking and overnight or extended trips, is a great ounce-counter's trail companion. With an average weight of just over three pounds (depending on which size you select), hikers can carry essentials with ease and comfort. A traditional floating top pocket/top load design and twin front pockets with welded, water-resistant zips makes packing easy. Other features include an internal hydration sleeve, zippered mesh pockets on the adjustable hipbelt, and removable sleeping pad straps.

Features

  • Adjustable harness: The torso-adjustable, interchangeable shoulder harness allows three inches of adjustment for a fine-tuned fit, while using a new pad design, spacer mesh, and ventilated foam for breathable, supportive cushioning.
  • AirSpeed suspension: AirSpeed suspension with LightWire frame and 3D tensioned, breathable mesh back panel optimizes pack balance, ventilation, and support.
  • Fit-On-The-Fly hipbelt: The new Fit-On-The-Fly hipbelt design uses dual density foam for improved support, and spacer mesh for breathability. The exclusive adjustment system allows the belt to be custom fitted with a six-inch total adjustment range while wearing the pack.
  • Hydration sleeve: All Atmos Series packs are hydration compatible, with tube exit ports on both sides of the pack.
  • Removable sleeping pad straps: Removable sleeping pad straps add a level of performance versatility.
  • Removable top pocket: The floating top pocket with under-lid mesh pocket can be easily removed.
  • Tool attachment: Dual ice tool loops and bungee tool tie-offs let you lash mountaineering gear to the pack's exterior.
  • Vertical zip pocket: Dual vertical zip front pockets allow for easy gear organization.


    With a Fit-on-the-Fly hipbelt, and exclusive adjustment system allows the belt to be custom fitted while wearing the pack.

Specifications

  • Small:
    • 2,868 cubic inches
    • 47 liters
    • Three-pound, one-ounce weight
  • Medium:
    • 3,051 cubic inches
    • 50 liters
    • Three-pound, four-ounce weight
  • Large:
    • 3,234 cubic inches
    • 53 liters
    • Three-pound, four-ounce weight

Lifetime Warranty
Osprey products include a limited lifetime manufacturer's warranty against defects in materials and workmanship.


Product Details

  • Item Weight: 3.6 pounds
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B006V6Z804
  • Item model number: Atmos-50
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (69 customer reviews)
  • Amazon Best Sellers Rank: #107,910 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

46 of 47 people found the following review helpful By Combat Medic on July 3, 2012
Size: MediumColor: Graphite Grey Verified Purchase
I bought this pack to walk the Camino in Spain. This pack was light and very comfortable. It had lots of room, pockets on waist belt that work great for snacks and a digital camera, and was set up for a camelbak. I just can't say enough good things about this pack. Walked 8 hours a day in rain sun, up hils and up hills and more hills, rain and shine. The shoulder straps are made with a ventilated foam that allows for airflow.

One thing is that you should ensure is that you get the right size (S,M,L). I figured I would wear a Large, but actually fit a Medium. Their site tells you how to size but you could go to REI. I am 5'10 and the medium was perfect. I carried around 20-25 pounds without issues. The back of the frame is a mesh that was surprisingly comfortable, and I loved it.

You can unhook the top pouch and carry seperate, maybe like a "man purse" or carry your valuables with you in hostels. The top pouch also had a mesh pocket in addition to the top pocket. This offered a little more security for paperwork.

I did see alot of people wearing their packs incorrectly. You must cinch the waist tight and the weight is on your hips, the shoulder straps just keep the pack upright and sould not really support much weight. The waist belt is the key.

Also, Osprey comes out with new versions every couple of years. This one that I purchased was the newest version. You can tell by the color and logo on the back. Be sure you check that out if you purchase although I bet all their packs are great.
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24 of 25 people found the following review helpful By Ryan Majauskas on June 21, 2013
Size: LargeColor: Graphite Grey Verified Purchase
I use this pack in a different way than I believe it was intended to be used. I take it as my airplane carry-on as I hate to check a bag. I pack light, so I can bring everything I need for a week or more (depending on climate) in this pack. I was concerned about the dimensions meeting the airline regulated carry-on size...but I had no trouble at all (with Delta at least). I had no problem going through security and there was more than enough room in the overhead compartment. The Atmos 50 makes it so easy to travel with everything on your back as opposed to dragging the typical, pull behind, wheeled carry-on. This pack is very comfortable, has many convenient features, and is my new go-to carry on.
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23 of 26 people found the following review helpful By Caveman017 on April 23, 2013
I purchased this pack last year for traveling as I learned on my first European excursion that a rolling carry-on was NOT the way to go.

As others have noted, the design of the frame curves in to the main pack. This does limit you a bit, especially if you plan on bringing a small laptop or iPad with you. I've found it's best to place your iPad in first, then pack around it.

I have the small size (I'm 5'7") and have had no problems with carry on during both international flights and domestic flights on Lufthansa, Swiss, American, and United. During my international adventures, I had the pack fully loaded and it fit fine in the overhead bins. During my domestic trips, I removed a few things from the top lid and put them in my day pack and it fit without a problem.

One hint: Pack from the outside in. Meaning, pack the two pockets on the outside before packing the inside. It's easier and you'll fit more in that way.
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16 of 18 people found the following review helpful By Jordan T. Sanders on June 15, 2013
Size: MediumColor: Glacier Blue Verified Purchase
This pack is small and compact. Great for if your gear meets the same criteria. Although since the pack is curved it can make it difficult to properly fit all the things you want to stuff inside it. So the last issue is why the 4 star review.

(6/24/13)Just used this pack on a week long hike in YOSEMITE. Although it can be difficult to pack all your things inside this pack, once you know how to move things around and organize all your gear, I had no problems and was able to fit all my things including a bear canister. Has multiple pockets and the top storage has lots of room for multiple items. Had no problems with this pack. WORKS GREAT FOR ME.
The curve in the torso allows your back to dry on those hot days when your back sweats. This had to be one of my favorite things about the pack despite packing issues.

The pack does require SOME ADJUSTMENT. Because of the curve in the torso, it feels farther from your back but has two straps by the shoulders to bring it closer. It can bother you at first, but after a day or two of use I quickly became accustomed to the design. Not something to worry about.

I CAN NOW SAY THIS IS A 5-STAR PACK.

Cant go wrong with an OSPREY!
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9 of 9 people found the following review helpful By aindriais dolan on October 11, 2014
Size: LargeColor: Glacier Blue
I purchased this bag in 2010 for a 3+ month trip thru India, Nepal and Thailand. This bag is amazing! i had all of my winter/trekking gear loaded into this and had no problems with fit in the Atmos 50. Sleeping bag, Therma rest ultra lite pad, Danner combat hikers, winter jkt, rain gear, gloves etc plus normal everyday wear and accessories and still had room left over! Okay, you will learn how to pack your pack so you will be able to get to things as you need them but that's part of the fun of traveling, you learn what you DONT NEED to bring. (also there's a reason why they make all of that hi tech/light weight gear/clothing and its a good one) I really like the dual side loaded pockets too, i seem to be able to get underwear, socks, t-shirts, microlite travel towel and silk sleep sheet all into this section alone!leaving the bigger part of the pack for bulkier stuff.
The sherpa/guide (an amazing person who i had a lot of fun with trekking) who was with me in the Annapurnas in Nepal said that it was the most comfortable pack he'd ever carried yet. This bag sits nicely on your waist and does not feel like you have that much weight on your back and that space between your back and the bag is a huge + comfortable to move around with even standing around for long periods with it on is no problem. I have even had people tell me "i should have bought one of those instead of this thing".

Since that trip this bag has been to the Peruvian Amazon, Laos, Europe and many other places, with more to come!

This bag was recommended to me by someone in a shop who saw i was trying it on, he asked where i was going and after i told him he said he owned it and then said "just buy it!
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