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Mochila Osprey Atmos AG 50 unity blue (azul)

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Additional Information

SKU 5100
Season of use Autumn, Spring, Summer, Winter
Brand Osprey
Ecological note (0 to 5)


1 🌱
Ecological Certificates EOCA
Volume (l) M 50 - L 53
For Man
Dimensions (cm) 80 x 35 x 40
Weight (gr.) M 1960 - L 1990
Activities Travel, Trekking
Hydration Systems Compatible and does not incorporate
Raincover Incorporates
Gear loop ice axes holder, ropes holder, sticks holder
Made in Vietnam


Backpack for large loads for a long time. Full ventilation, stability and regulation back. With 2 access points to the main pocket.


  • 50 liter backpack with great load capacity, comfort, maximum fit and ventilation even with the backpack fully charged.
  • Osprey recommends its use on long trips, although it can also be used for demanding trekkings in summer or winter.


  • Back with the Osprey AntiGravity system that incorporates the ventilated hip belt and a highly ventilated back with a 3D panel and seamless elastic mesh.
  • The back combines the seamless elastic mesh that joins all the back support elements. To provide stability and ensure ventilation, it features a rigid 3D frame. An interior zipper allows access to the panel.
  • The ExoForm Biostretch lumbar belt is made up of a semi-rigid skeleton that adapts to the user's hips. On the inside of the hip belt it has an elastic mesh with reinforcement to maintain stability and provide ventilation even fully loaded. The lumbar belt features an adjustable padded extension named for Osprey Fit-on-the-Fly and a wide front adjustment strap.
  • The shoulder pads are perforated and on the inside it presents the same ventilation mesh for the entire back but accompanied by a light padding for maximum ventilation. The upper part of the shoulder pads can be adjusted by the side rails. They also feature top load adjustment straps.
  • Chest strap with emergency whistle that can be adjusted in height and length.

Pockets and adaptations:

  • Removable mushroom with a main zippered pocket and one for the waterproof backpack cover. It has a key clip.
  • Under the mushroom it has a rope holder and load adjustment strap.
  • The main compartment features a flap with clips to close the backpack without mushroom, as well as a perimeter cord with tanca closure. With a lower access to the main compartment by zipper. Inside the main pocket it has a wide mesh for flat elements. In the middle part it has a divider that allows to divide the compartment by means of clips. The separation is not by zipper.
  • Two pockets on the lower belt.
  • Wide elastic front mesh with top clip closure.
  • Mesh side pockets for drums.
  • Side adjustment straps. The upper one with clip and the lower one is double with buckle adjustment. Lower straps improve weight transfer to the hip belt.
  • Reinforced and adjustable material holder ring on the left shoulder strap. Another at the bottom of the backpack, allowing you to place a pair of poles very quickly while using your hands for some specific action such as picking up your phone.
  • With two sticks or front axes with adjustable top adjustment.
  • Top handle for carrying by hand.
  • Opening for superior hydration system under the lid. For its placement it has an internal strap with clip.

Customer Reviews

Review by Arturo (Posted on 23/07/2019)
(translated) Very good, and order information at all times
Review by Angel (Posted on 16/02/2018)
Osprey does not fail
(translated) Quick delivery, first quality material, and the treatment they have had with me unbeatable clarifying every doubt. In short, an excellent service. As for the rucksack, it only took two trips to see that it was the best rucksack I have ever had.
Review by Ana Catalán (Posted on 02/01/2018)
Atmos 50
(translated) Nice to see my boy with the backpack and me with the deal and the shipment! I arrive fast super well packed and presented, we will repeat!
Review by Manuel (Posted on 21/12/2017)
Straps to fix the tent.
(translated) Hello, just a question, you don't have any shop locks? I'm thinking of buying one but the only one I can find is this one.
Review by PakoCep (Posted on 18/03/2017)
Great for the back
(translated) The backpack is very well finished but it has a detail that is missing and I do not understand very well why. In this model of 50 L has not placed the straps on the lower exterior to tie the insulation or tent, however in the upper model if you have put those straps. A real mess for such a good rucksack
Review by Yer (Posted on 09/11/2016)
Excellent choice
(translated) A backpack that more than fulfils its purpose. Very comfortable and 100% adjustable. Robust and very dynamic and all details are very well finished and of a remarkable quality. Very happy with the purchase, if you are looking for a comfortable, ventilated and ergonomic backpack, you will not be disappointed.
Review by Jose Emilio (Posted on 21/07/2016)
very good backpack
(translated) I have already briefly written my opinion on the page. If you allow me, I will develop it a little more.
For me, the rucksack has three fundamental characteristics for the use I am going to give it and they are: comfort, ventilation and stability with respect to the load for balance situations. Besides what I said, it is a rucksack with very good finishes, full of details such as the rubber bands to place the canes, the front mesh, the mesh for the hydration bottles in which you can place the bottles both vertically and diagonally, the extensible lumbar belt with some generous compartments and the rubber bases to support it on the ground.
If I had to highlight something, it would be the comfort with the loaded backpack, I think the most important thing in this type of backpack. Without forgetting how beautiful it is.
Review by Jose Emilio (Posted on 08/07/2016)
very good backpack
(translated) Very comfortable backpack with good ventilation that provides good stability in steps where balance is needed. A 10 to the tent. Pg 110% recommended. Very happy with the product.
Review by Maripili (Posted on 07/01/2016)
(translated) I have given it away, they think it is very comfortable to wear, they miss an information leaflet about many details it has and its use
Review by CARLOS VEIGA VÁZQUEZ (Posted on 21/09/2015)
Review by Ricard Quera (Posted on 11/07/2015)
a 10 star product
(translated) I am amazed by this backpack! I have tried it for 2 weeks all over the Pyrenees and it is the most comfortable I have ever tried. Even when I was carrying all the material for the trip, I was able to climb medium grade crests, such as Margalida-tempestades point, Russell and some more in the area of Aneto and other crests in the Pyrenees of Andorra. It adapts perfectly to the body and at some moments you notice that it is very light. A 10!!
Review by Fer (Posted on 01/07/2015)
The backpack that hugs you (literally)
(translated) Comfortable and configurable,narrow,distributes the weight very well on the hip,dry back...Quality and technology wisely applied.Choose the right size and enjoy with this fantastic backpack.
Review by José (Posted on 04/04/2015)
Very good
(translated) Despite the large capacity it is very light and well adjusted, its weight is not felt

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