Miya Pearson
The Osprey Atmos AG 65 is a multi-day backpack with a suspended mesh frame and an adjustable length torso and hip belt. It is known for its comfortable suspension and Anti-Gravity (AG) suspension system, which distributes weight evenly. The Atmos AG 65 has a lower zippered sleeping bag compartment with a removable divider, which can be adjusted to make more space for the sleeping bag. However, some users have reported that the sleeping bag compartment is too small for larger sleeping bags or when using a stuff sack instead of a compression sack. Synthetic bags, in particular, may not compress well and can cause the internal frame to bulge out, affecting the comfort and efficiency of the AG system. To address this issue, some users suggest removing the divider between the sleeping bag compartment and the main body of the bag to allow the sleeping bag to fill in the available space without deforming the load-bearing elements.
| Characteristics | Values |
|---|---|
| Pack comfort | Plush shoulder strap padding, Anti-Gravity (AG) suspension, trampoline-style design, suspended mesh frame, adjustable length torso and hip belt |
| Pack capacity | 65 litres, can carry loads of 40 pounds |
| Pack weight | 4.5 pounds |
| Sleeping bag compartment | Bottom compartment with external zipper, separated from the main compartment by a removable divider/flap |
| Sleeping bag fit | Adjustable compartment straps, may require a compression sack for synthetic bags |
| Additional features | Water reservoir sleeve, hip belt pockets, top lid with pockets, side water bottle pockets, rear shovel pocket, rain cover pocket |
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What You'll Learn
Using a compression sack
When choosing the size of your compression sack, it is good to get a bag with a looser fit. Stuff sacks will often have a fit guide on the packaging, but sometimes a test fit is the only way to know if it will work for your sleeping bag. Be sure to never store your sleeping bag compressed as it will break down the insulation.
To use a compression sack, first, grab the end of the sleeping bag and push it in as far as you can. Keep stuffing in one handful at a time. It is best to stuff the gear inside instead of rolling or folding it. Over time, folding a sleeping bag can create creases in the material, which will create cold spots and wear out the sleeping bag installation faster. Stuffing, instead of folding, will also keep the insulation lofty and warmer over time.
Once your sleeping bag is inside the compression sack, hold the drawstring tight and pull the loose straps evenly over the ends. Putting the sack on the ground and then pressing your knee into it as you pull the straps can make this easier. Hold on until all the straps are evenly tight. You can also add pillows, pyjamas, or extra clothes inside the compression sack to save space.
If you are using a synthetic sleeping bag, it won't compress much at all. In this case, you may want to remove the piece of material that separates the sleeping bag compartment from the main body of your Atmos AG 65 backpack. You can then shove your bag into the bottom of the pack without a stuff sack, allowing the bag to fill in all the nooks and crannies without deforming the load-bearing/suspension elements.
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Adjusting the divider straps
The Osprey Atmos AG 65 backpack has a lower zippered sleeping bag compartment with a removable divider. The divider is a flap that separates the sleeping bag compartment from the main compartment. The divider is attached with adjustable straps.
To adjust the divider straps, first ensure the sleeping bag compartment is empty. Then, loosen the straps to make more space for the sleeping bag. If your sleeping bag is synthetic, it may not compress much, so you may need to remove the divider and shove the bag into the bottom of the pack without a stuff sack. This will allow the bag to fill in all the nooks and crannies of your pack without deforming the load-bearing or suspension elements.
If you are able to fit your sleeping bag into the compartment, you can then tighten the divider straps to compress the sleeping bag and close the zippers.
It is recommended that you place the sleeping bag in the bottom compartment and heavier and denser items at the small of your back, with lighter items towards the top.
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Packing the bag horizontally
The Osprey Atmos AG 65 backpack has a conventional layout with a top lid, open front pocket, sleeping bag compartment, and side water bottle pockets. The sleeping bag compartment is at the bottom of the pack and can be accessed without getting into the main compartment. The sleeping bag compartment is separated from the main compartment by a flap that is attached with adjustable straps.
If you are packing the sleeping bag horizontally, you may need to adjust the straps to allow more space for the sleeping bag. You could also try removing the divider between the sleeping bag compartment and the main compartment to allow the sleeping bag to fill in all the nooks and crannies of the pack without deforming the load-bearing/suspension elements.
If you are using a compression sack for your sleeping bag, consider the Osprey Straightjacket Compression Sack 20L. The side-pulling straps are better than the end compression you see on most sacks.
If you are using a synthetic bag, it won't compress much at all. If you put it in a compression sack, it will turn into a giant bowling ball that will barely fit in your pack, causing the internal frame to bulge out and the pack to fit uncomfortably.
- Remove the divider between the sleeping bag compartment and the main compartment.
- Loosen the straps on the compartment divider to make enough space for the sleeping bag.
- Place your sleeping bag horizontally into the bottom of the pack.
- Adjust the straps to compress the sleeping bag and close the zippers.
- If needed, use the straps intended to hold a sleeping pad on the outside of the pack for additional compression.
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Removing the divider
The Osprey Atmos AG 65 backpack has a removable divider that separates the sleeping bag compartment from the main compartment. The divider is attached with adjustable straps that can be loosened to make more space for the sleeping bag.
If your sleeping bag is too large to fit in the compartment, even with the divider loosened, you can remove the divider entirely. This will allow you to fit the sleeping bag into the bottom of the pack without a stuff sack, making use of all the available space in the pack without deforming the load-bearing or suspension elements.
The sleeping bag compartment can be accessed through a zippered opening at the bottom of the pack, separate from the main compartment. This allows you to access your sleeping bag without having to open the main compartment.
If you choose to remove the divider, you can pack your sleeping bag directly into the bottom of the pack. This will give you more flexibility in how you pack your bag, as you won't be restricted by the size and shape of a stuff sack.
By removing the divider and packing your sleeping bag directly into the bottom compartment, you can ensure that your bag fits snugly and efficiently, making the most of the available space in your Atmos AG 65.
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Using the main tunnel chute
The Osprey Atmos AG 65 backpack has a conventional layout with a top lid, an open front pocket, a sleeping bag compartment, and side water bottle pockets. The sleeping bag compartment is located at the bottom of the pack and opens from the outside with a zipper, allowing you to access your bag without getting into the main compartment.
The main compartment of the Atmos AG 65 can be accessed in four different ways: from the top by removing the lid, through side zippers located along both sides, or from the bottom via the sleeping bag hatch. The contents of the main compartment can also be accessed by removing the divider between the main compartment and the sleeping bag compartment. This allows for longer items, such as tent poles, to be stored in the main compartment without resting on the sleeping bag.
When using the main tunnel chute to pack a sleeping bag, it is important to consider the width and height of the backpack and the sleeping bag. Adjusting the straps on the compartment divider can help create more space for the sleeping bag. However, if the sleeping bag is synthetic, it may not compress much, and using a compression sack could result in an inefficient use of space.
One suggestion is to remove the piece of material that separates the sleeping bag compartment from the main compartment and simply place the sleeping bag into the bottom of the pack without a stuff sack. This allows the sleeping bag to fill in all the available space without deforming the load-bearing or suspension elements of the backpack.
Additionally, the Atmos AG 65 features a lower zippered sleeping bag compartment with a removable divider. The two compression straps that cover this compartment can be used to hold a large, closed-cell foam pad or a tent body.
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Frequently asked questions
The Atmos AG 65 has a bottom-loading sleeping bag compartment, which can be accessed without opening the main compartment. The bag can be placed in the compartment horizontally, and the divider can be adjusted to allow more space. If your sleeping bag is synthetic, it may not compress much, so consider removing the divider and placing the bag at the bottom of the pack.
The sleeping bag compartment has a removable divider and two compression straps that can hold a large, closed-cell foam pad. The Atmos AG 65 also has a floating top lid with two zipper pockets, which can be removed to save weight.
The Atmos AG 65 has a comfortable Anti-Gravity suspension system, a rich array of pockets, and a hip belt that can accommodate most waist sizes. It also has side water bottle pockets, hip belt pockets, and a rear shovel pocket.
