Fitting A Sleeping Bag: Osprey Backpack Tips

how to fit sleeping bag in osprey backpack

Sleeping bags are often the bulkiest item a backpacker carries, and fitting them into a backpack can be challenging. While it is recommended to carry your sleeping bag inside your backpack, sometimes it's just not possible, especially with a smaller backpack like the Osprey Atmos AG 65 or the Osprey Aether 65L. In these cases, you may need to attach your sleeping bag to the outside of your backpack. This can be done using the tie points at the bottom of the backpack, or with bungee cords, but it's important to make sure the bag is tightly secured and protected with a dry bag or similar covering.

Characteristics and Values Table

Characteristics Values
Backpack Size Ensure your backpack is large enough for your trip. A 65L pack is suitable for summer or short spring/fall outings. A larger bag is needed for cold-weather gear.
Sleeping Bag Packability Modern sleeping bags are highly packable, with some compressing to the size of a Nalgene bottle. Older bags may not pack down as small.
Weight Distribution Attaching a sleeping bag to the backpack's exterior can alter weight distribution. Consider attaching it to the top instead of the back or bottom for better balance.
Compression Buckles Compression buckles may not hold under strain. Ensure they are secure before trusting them with your sleeping bag.
Tie Points Utilize tie points at the bottom of the backpack or gear loops for bulky items to attach the sleeping bag.
Straps Ensure straps are long enough to accommodate the sleeping bag. Consider using bungee cords or cord loops for additional security.
Waterproofing Protect your sleeping bag with a dry bag or waterproof covering when attaching it externally.
Safety If attaching externally, consider a safety line between the pack and bag to prevent accidental slips.

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Ensure your backpack is the right size for your sleeping bag

When preparing for a camping or hiking trip, it's important to ensure that your backpack is the right size to accommodate your sleeping bag and other gear. Here are some tips to help you ensure your backpack is the right size for your sleeping bag:

First, consider the size and packability of your sleeping bag. Some sleeping bags, especially older ones, provide excellent insulation but may not be as compressible, taking up a significant amount of space in your backpack. Modern backpacking sleeping bags are designed to be more packable, with some even compressing to the size of a Nalgene bottle while still providing sufficient warmth. If your sleeping bag is too bulky, investing in a lightweight, compressible option might be worthwhile.

Second, assess the capacity of your backpack. A larger capacity backpack, such as the Osprey UNTLD AirScape 68, can provide ample space for your sleeping bag and other gear. If you're planning a longer trip or anticipate needing extra gear and food, opt for a bigger backpack to ensure everything fits comfortably. For a -40 bag, for example, consider an 85-100L pack or even a 75L pack if you're looking for a smaller option.

Third, pay attention to the straps on your backpack. Ensure that the straps are long enough to accommodate your sleeping bag when fully extended. Additionally, consider the weight distribution when attaching your sleeping bag to the straps. Adding a sleeping bag to one side of the backpack can make it challenging to maintain balance while hiking. Some backpacks feature dedicated gear loops or tie points at the bottom specifically designed for attaching bulky items like sleeping bags or pads.

Lastly, don't be afraid to attach your sleeping bag to the exterior of your backpack if necessary. While it's generally recommended to keep your sleeping bag inside the backpack, sometimes it's more practical to attach it externally. If you go for this option, make sure to protect your sleeping bag by wrapping it in something waterproof, like a dry bag or a rain cover. Additionally, ensure that it is tightly secured to your pack to avoid any accidental slips.

By following these tips and choosing the right backpack size, you can ensure that your sleeping bag fits comfortably and securely, allowing you to confidently embark on your outdoor adventures.

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Consider investing in a lightweight, packable sleeping bag

If you're looking to fit a sleeping bag in an Osprey backpack, you may want to consider investing in a lightweight, packable sleeping bag. This is especially true if you're planning to go backpacking or hiking, as you'll want a pack that's comfortable and easy to carry.

A lightweight sleeping bag can make a huge difference when it comes to packing and portability. For example, the Kelty Cosmic Ultra 20 is significantly lighter and more compact than its predecessor, making it a great option for those looking to save space. Similarly, the Feathered Friends Swallow YF 20 is known for its ergonomic shaping, which provides superior warmth retention and comfort without the excess weight.

Ultralight sleeping bags, like the Rab Mythic Ultra 180, are measured in ounces, not pounds, and can provide a good balance between weight and packability. However, it's important to keep in mind that as you reduce weight, you may sacrifice material, durability, size, comfort, or price. Synthetic bags, like the Enlightened Equipment Enigma, are a great option as they maintain performance when wet, although they may not be as packable as down options.

If you're looking for a bag that's both lightweight and packable, the Zpacks Classic 20 is a minimalist and durable option. The Feathered Friends Swallow UL is another bag that's known for being lightweight and packable, making it a good choice for ultralight backpacking trips or multi-day climbs.

When choosing a sleeping bag, consider your specific needs and preferences. Factors such as warmth, weight, packability, comfort, and price will play a role in determining the best option for you. Additionally, pay attention to the temperature ratings of the bags, as these can guide you in selecting the appropriate bag for the conditions you anticipate encountering.

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Use the tie points at the bottom of your backpack

If your sleeping bag doesn't fit inside your backpack, you can use the tie points at the bottom of your backpack to attach it. These tie points are usually intended for sleeping pads, but if the straps are long enough, they can be used for your sleeping bag instead.

Firstly, ensure that the straps are long enough to accommodate your sleeping bag when fully extended. Attaching a sleeping bag to the bottom of your backpack will alter the pack's weight distribution, so you should balance out the weight on the other side. Additionally, compression buckles on backpacks may pop open under strain, so ensure yours can withstand the weight of your sleeping bag.

If the straps are not long enough, you can use bungee cords or cord loops to secure your sleeping bag. With an internal-frame backpack, attach one of the hooks to one side of your pack, and if the cord feels loose, wrap it around the frame until the bag is held tightly.

To protect your sleeping bag from damage or rain, wrap it in something waterproof, such as a trash bag or rain cover, before attaching it to the outside of your backpack.

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Wrap your sleeping bag in something waterproof

Wrapping your sleeping bag in something waterproof is a great way to keep your bag dry and safe, especially if you're camping in the backcountry. Here are some tips to help you do that:

Firstly, you can use a waterproof compression bag, which will help to reduce the amount of space your sleeping bag takes up. These bags usually have straps and cinches that allow you to pull down on the top of the bag, making it even smaller. If you don't have a waterproof bag, you can improvise by using a garbage bag or a large plastic bag to wrap your sleeping bag. This will help keep your bag dry, but it's important to note that it won't make it completely waterproof.

If you're looking for a more permanent solution, you can consider using a waterproofing spray on your sleeping bag. These sprays are designed to aid water in running off the fabric, but they won't make your bag completely waterproof. It's important to note that waterproofing your bag may affect its breathability, so it's recommended to only spray the areas that are most likely to get wet, such as the bottom of the bag.

Additionally, you can use a mylar emergency blanket or a lightweight rescue blanket to wrap your sleeping bag. These blankets are wind and waterproof and can help keep you warm by reflecting your body heat back to you. They are a versatile option to have on any trip.

Finally, when packing your sleeping bag, always start with the tail if you're using a stuff sack. This allows air to escape through the top, making it easier to compress. If you're rolling your bag, lay it on a flat, dry surface, zip it up completely, and smooth it out to remove any air pockets. Then, fold it in half lengthwise and roll it up firmly from the foot, securing it with the attached straps.

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Attach your sleeping bag to the top of your backpack

Attaching your sleeping bag to the top of your backpack is a great option if you're running out of space inside your bag. However, it's worth noting that attaching a sleeping bag to the outside of your backpack will alter the pack's weight distribution, making it harder to balance while hiking.

If your backpack has dedicated sleeping bag straps, use them to secure your bag. If the straps are too short, consider purchasing compression strap extensions. Alternatively, if your backpack has gear loops, you can use them to attach your sleeping bag with a carabiner or cord. However, this will cause the bag to swing around as you move, so you may need to use two carabiners or extra cord to stabilise it.

If you're using an internal-frame backpack, bungee cords are a great option. Attach one of the hooks to one side of your backpack, then crisscross the cord over your bag several times before attaching the second hook to the other side. For added security, loop the cord through your bag's stuffing sack straps. If you're using an external-frame backpack, simply attach the hooks to the frame, and wrap the cord around the frame until it holds your sleeping bag tightly.

Frequently asked questions

If your sleeping bag doesn't fit inside your Osprey backpack, you can attach it to the outside using the tie points at the bottom of the backpack. Make sure to wrap your sleeping bag in something waterproof like a trash bag or rain cover to protect it.

Cinch the sleeping bag down really tight and tighten it with a cord if needed.

If your backpack has dedicated gear loops for bulky items, you can use them to attach your sleeping bag if the loops are long enough. With external-frame backpacks, you can attach the hooks to the frame.

If the straps on your backpack are not long enough, you can use bungee cords. These cords are elasticated and have a hook on either end.

Yes, consider whether your backpack is big enough for your trip and whether your sleeping bag is packable. You may need to invest in a larger backpack or a lightweight, packable sleeping bag.

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