Osprey Aether vs. Atmos

Comfort and durability are what each hiker looks for in a backpack, and it is precisely what Osprey backpacks can provide. With that, we have listed two of them that could be the best backpack for you – Osprey Atmos AG 65 and Osprey Aether AG 70.

These two backpacks are perfect for long hikes due to their Anti-Gravity system that keeps the backpack’s weight distributed equally. Also, their adjustable hip belts can be customized to fit you perfectly.

Choosing between Osprey Atmos vs. Aether might be a tough one to decide not only because they both came from Osprey but also because they both have very similar features. Figuring out the differences between these two will help you determine what to purchase for your next hike.

Let’s have a look what are the differences between Osprey Atmos AG 65 and Osprey Aether AG 70.

Comparison Table

Whether you are already an expert on hiking or a newbie as a hiking enthusiast, choosing the best and the most comfortable pack is essential for your trip.

This way, you won’t only get comfortable throughout the whole hike, but you’ll get to enjoy it more because of the light experience it can give you.

Here is the table comparing the most important specs of Atmos AG 65 and Aether 70.

Product SpecsAtmos AG 65Aether 70
Weight (lb)4 lbs.5 lbs.
Back System

Anti-Gravity MeshAnti-Gravity Mesh
Capacity62 - 68 liters67 - 73 liters
Removable TopYesYes

Top/bottomTop / front
Side AccessNoYes
Zippered Front PocketTwo side zippersNo
Hydration Pocket & AccessYesYes
Daypack CompatibleYesNo
Material(s)100-denier x 630-denier nylon dobby/420HD nylon Ripstop nylon/nylon oxford
Frame MaterialLightWireHDPE frame sheet/metal alloy peripheral frame
ColorsGreen, Red, GrayGreen, Blue, Orange
Gender UnisexUnisex


Osprey Aether AG 70

Our verdict

Osprey Aether AG 70 is best for travelers looking for a backpack at a reasonable price and can carry heavy loads with comfort. Due to the fair price and comfort this bag can give, the Aether series is one of the best backpacks around.

One of its best features is the Anti-Gravity suspension. The Anti-Gravity suspension makes it easier and more comfortable to carry no matter how heavy the load you have in the backpack.

It also comes with a built-in rain cover that can be used during heavy rain to avoid getting the backpack wet since it is not fully waterproof.

Aether AG 70 has a  removable top lid that can be used as a daypack. It is perfect if you want to go for a nearby hike without bringing all your load and just the essentials.

Osprey Aether


When looking for a backpack for hiking, one thing to consider is its weight, and it should not weigh more than 20% of your body weight. This backpack itself weighs 4 lbs and has a maximum load of 60 lbs.

Adjustability and Fit

Aether AG 70 backpack comes in three different sizes and fits perfectly because of this. It has an adjustable torso length ranging from 16″-20″.

Aether has shoulder straps attached to a velcro flap that you can be slipped up and down depending on the adjustment you want to fit your body.

You can either loosen or tighten it to reach the desired fit or comfort you want.

If you want to have your hip belt perfectly customized, you can also do that with Aether. Just visit any Osprey dealer where they have an Osprey oven that can be used for your customized hip belt fit.


Osprey backpacks are known for their excellent organizational pockets and compartments. These are best for keeping things like bottles, gear,  supplies, foods, and tools you may need easy access to during your hike.

There are two zippered pockets at the top of the Aether backpacks and a large front pocket that can be stretched. A zippered hip belt pockets can be used to keep small things and gear you want to access anytime easily. Also, there are two water bottle pockets with top and side access.

On the bottom, there is a sleeping bag compartment. The Aether is also equipped with compression straps on the back and sides of the pack.

Overall, it has eight exterior pockets on the top, side, and front of the backpack.


Aether is manufactured from durable materials that will serve you well. Not just that, Osprey offers a lifetime guarantee to all its backpacks where they will replace it or fix any damage for free.

Osprey Atmos AG

Our Verdict

Osprey Atmos AG 65 is travelers’ or hikers’ favorite when it comes to comfort and a more breathable experience on their hiking journey. Just like Aether AG 70, Atmos AG 65 also has an Anti-Gravity suspension that makes your load lighter and easier to carry along the way.

The Anti-Gravity mesh system makes the back panel curve in shape, and this, in return, makes room for more ventilation. This fact makes Atmos AG more comfortable, especially when you are hiking in a warm climate.

The backpack also offers many zippered pockets where you can put important things like your phone, water bottles, passport, and supplies you will need easy access to during the whole hike. Overall, the Atmos AG 65 is one of the best packs for a long hiking trip.

Osprey Atmos


Osprey Atmos AG 65 weighs 4.9 lbs and is lighter than any other backpacks with the same features. With this weight, it will be easier for you to carry.

Adjustability & fit

You can adjust & fit Osprey Atmos AG very well.

This backpack has fit-on-the-fly adjustable hip belt features that will let you adjust for a custom fit and a shoulder strap that can be slid up and down along the back panel.

Atmos also comes in three sizes. Its size small has a torso length of 16-19 inches, Medium has 18-21 inches, and Large can fit 20-23 inches.


Just like any other Osprey bag, Osprey Atmos AG won’t disappoint you with its organizational pockets and compartments. It has a removable lid with two-zippered access. A dual access mesh side pockets are also available for easier access for your water bottles and a sleeve where you can put your hydration reservoir.

The two front pockets on the hip belt are also accessible. These pockets are where you can put your important stuff that you need easy access to, like your phone, sunglasses, documents, or snacks you need while on the hike.

The sleeping bag compartment can be found at the bottom of the bag. Overall, the Osprey Atmos AG has eight pockets you can use.

Suspension & Comfort

One of the highlights that Osprey Atmos AG boasts was the suspension system. It has excellent ventilation that would be perfect for hot and warm weather. The Anti-Gravity suspension system allows the hiker to have better ventilation because of the curved shape of the back panel.


Not only is Atmos built from durable materials, but it also comes with a lifetime guarantee where Osprey will fix any damages or defects free of charge.

Osprey Atmos Vs. Aether

No doubt, choosing between Osprey Atmos vs. Aether is a tough job. To make it easier for you, here are the critical differences between Osprey Atmos AG 65 and Osprey Aether AG 70 that will be helping you with what backpack to purchase for your next trip that would perfectly fit your travel.

Main Differences


Osprey Aether weighs 5 lbs, while Osprey Atmos AG weighs 4.9 lbs.


Having different pockets and access would be very helpful for us to get the things we currently need, especially during the hike. With this, both Atmos and Aether have excellent pockets.

Access from the front to the main compartment is only available in Osprey Aether AG; having it will make it easier for you to get something from the main compartment without digging in.


Only Aether AG has this feature where the top lid is removable, and you can convert it to a daypack for lighter use. You will love it when leaving your campsite for a short hike or a peak when you only need a few essentials. On the other hand, Atmos AG also has a removable top lid, but it doesn’t convert into a daypack.

Anti-Gravity Suspension

This feature makes both Osprey Aether AG and Atmos 65 great backpacking backpacks to carry for your trip. Though both Atmos and Aether have this, each suspension system feature works in different ways.

Atmos AG’s suspension system focuses more on comfort. It is much applicable for hikers that are not carrying more than 50 lbs. Also, the excellent ventilation makes warm-weather treks much more enjoyable.

Like Atmos, Osprey Aether AG also features the Anti-Gravity system. It is much flatter, and it can be more enjoyable to carry heavier loads with its shape.


Does Osprey Atmos and Osprey Aether AG come with a hydration sleeve?

Both Atmos and Aether come with a hydration sleeve. This will help you become more comfortable and hydrated along your journey.
Although both backpacks have a hydration sleeve, you still have to buy the hydration reservoir separately.

Is the rain cover included in these packs?

For weather protection, both Osprey Atmos and Osprey Aether have a rain cover attached to the top lid of the packs.

Are the backpacks waterproof?

Both Osprey Atmos and Osprey Aether backpacks are not waterproof, and you will need to put on the rain cover during, e.g., storms.

Are Osprey Atmos and Osprey Aether safe to check as luggage on a flight?

Definitely! Just make sure to have certain precautions like securing straps and buckles to avoid getting caught on airlines’ baggage machinery. It is also highly recommended that these backpacks should be covered in checking as luggage.

Can Osprey Aether or Atmos fit as a carry-on on a flight?

Sadly, these backpacks cannot fit as a carry-on on a flight. Every carry-on backpack must follow the 22” x 14” x 9” or 45 linear inch total for standard carry-on dimensions, and both Aether and Atmos backpack Osprey are bulkier than the standard carry-on sizes. You can call your airline for more specific guidelines regarding this.

How to fit Osprey Atmos and Osprey Aether packs?

For a more precise measurement of the backpack that would best fit you, go to the nearest Osprey Dealer and have them measure it for you.


If you are a hiker or traveler that is not hiking for more than a week and do not carry more than 50 lbs of weight for a long hike, then Osprey Atmos AG 65L is the perfect backpack for you. It is also a great backpack partner for hiking during warm weather because of the ventilation that it can provide and the type of mesh it has.

If you plan to go on a long trip with heavier loads, Osprey Aether AG 70 is the one for you. Its Anti-Gravity system supports the heavy loads you carry, making it perfect for long hikes and treks. The big compartment is also a great thing to consider. Plus, the removable top lid can be converted to a daypack is also perfect for shorter hikes.

Overall, both Osprey Aether AG 70 and Osprey Atmos AG 65L are some of the best Osprey backpacks for long-distance trekking.