
When it comes to choosing a waterproof bag for your sleeping bag, there are a few things to consider. Firstly, the size of the bag will depend on the size of your sleeping bag, with most regular sleeping bags fitting comfortably inside a 15-litre dry bag. Dry bags come in various sizes, typically ranging from small 2-litre bags to large 50-litre bags. It's important to select a bag that is just the right size to accommodate your sleeping bag snugly, as this will make it easier to roll down the top closing system and ensure water tightness. Additionally, if you plan on using the dry bag in water sports or as a flotation device, consider investing in a bag with a waterproof zipper or ziplock system. Alternatively, you can opt for a cheaper solution by using a smaller dry bag inside a bigger dry bag.
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What You'll Learn

Dry bags are truly waterproof
Dry bags are designed to keep your belongings dry, but the level of water protection they offer varies. Some dry bags are truly waterproof and will keep your items dry even when submerged in water. These bags are made from fabrics or materials that are completely impermeable to water and designed to form an air- and watertight seal. Many of these bags will even float due to the air bubble trapped inside.
However, not all dry bags are created equal. Some are only water-resistant, providing protection from incidental contact with water, such as splashes or rain. These bags are not designed to be submerged and may not have tape-sealed seams, which are a key feature of truly waterproof gear.
When selecting a dry bag, it's important to consider the level of water protection you need. If you plan to use the bag in extreme conditions or submerge it underwater, a waterproof/submersible bag is necessary. These bags are designed to withstand hydrostatic pressure and keep your belongings dry even when fully submerged.
The closure style of the dry bag also plays a crucial role in its waterproof capabilities. Most dry bags feature a roll-and-buckle closure, while more expensive bags may offer waterproof zippers or magnetic closures. It's important to properly close the bag to ensure it remains watertight.
Additionally, the size of the dry bag is an important consideration. Dry bags typically range from small 2-liter bags to large 50- to 90-liter bags. For a sleeping bag, a 15-liter dry bag should be sufficient. If you require more space for additional gear, you can opt for a larger bag that suits your needs.
In summary, dry bags can indeed be truly waterproof, but it's essential to choose the right type of bag and properly close it to ensure your belongings stay dry.
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A 15L dry bag fits most regular sleeping bags
When it comes to choosing a waterproof bag for your sleeping bag, it's important to select the right size. A dry bag that is too large will be cumbersome to carry, while one that is too small may not fit your sleeping bag comfortably. A 15L dry bag is a good option for most regular sleeping bags. This size offers a balance between portability and functionality. With a 15L dry bag, you can be confident that your sleeping bag will stay dry during your outdoor adventures, without the hassle of a bulky bag.
Dry bags are designed to keep their contents completely dry, even when submerged in water. They are an essential piece of gear for outdoor enthusiasts, such as kayakers, sailors, and explorers. When choosing a dry bag, it's important to consider the roll-down closing system. A proper closing system ensures that no water can enter the bag, keeping your sleeping bag dry and protected. While waterproof zippers or ziplock systems are effective, they can be expensive. A more affordable option is to use a smaller dry bag inside a larger one, providing an extra layer of protection.
The 15L size is particularly useful for sleeping bags as it offers just the right amount of space. Larger dry bags, such as those ranging from 50 to 90 liters, can be cumbersome and heavy, making them impractical for storing sleeping bags. Smaller bags, on the other hand, may not provide sufficient space for your sleeping bag to fit comfortably. The 15L size is a happy medium, allowing for compact storage without sacrificing functionality.
While a 15L dry bag is suitable for most regular sleeping bags, it's important to consider the specific dimensions of your sleeping bag before making a purchase. Sleeping bags come in various shapes and sizes, so measuring yours can help ensure that it fits snugly inside the dry bag. Additionally, if you plan on storing other items alongside your sleeping bag, you may need to opt for a larger size to accommodate those items comfortably.
A 15L dry bag is a convenient and practical solution for keeping your sleeping bag dry during outdoor trips. Its compact size makes it easy to carry, and its waterproof capabilities provide peace of mind when facing unpredictable weather conditions. Remember to consider the specific features of your sleeping bag and your personal storage needs to ensure that the 15L size aligns with your requirements.
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Smaller dry bags can be placed inside larger ones
When it comes to dry bags, bigger isn't always better. Smaller dry bags can be placed inside larger ones, providing another layer of protection for your gear. For instance, if you need to take a laptop on your journey, it is wise to use more than one dry bag to protect it. Smaller bags can also be used to protect high-value items such as trekking poles.
Dry bags come in a range of sizes, from small 2-liter bags to huge 50, 60, or even 90-liter bags. The most useful bag sizes are typically between 5 and 50 liters. Smaller and narrower bags are better for kayaking as they fit more easily inside the kayak's narrow hull. They can also help weight the boat more evenly. For hiking, you'll want dry bags that fit inside your rucksack. If you're using it as a liner, get one at least 10 liters bigger than your rucksack.
If you're carrying a heavier dry bag (30 liters or more), it's recommended to get one with double shoulder straps so it can be carried like a backpack. Smaller bags with one strap are usually sufficient. D rings are useful for attaching the bag to boats, kayaks, stand-up paddle boards, motorbikes, etc. If you plan to attach the bag to the top of your kayak, a larger bag might be necessary.
When packing, it's often better to use several smaller bags instead of one huge bag. Smaller bags allow you to keep your items organized and make it easier to find what you need. They also fit better into tighter spaces. For example, if you're packing clothes, towels, and snacks, smaller bags work better than one large bag.
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A waterproof liner can be added to a backpack
There are several advantages to using a waterproof liner. Firstly, they are large enough to hold all your gear with room left over, which can be used to provide shelter or clothing in an emergency. Secondly, they can be used to keep wet gear and clothing separate from dry gear. Additionally, they can protect your gear from getting wet if your hydration system leaks.
There are also some disadvantages to using a waterproof liner. It can be tricky to pack your gear firmly inside the liner, and if the liner tears or breaches, your gear can get wet. It can also be challenging to use a liner with a backpack that has multiple compartments, as it may not fit as well.
Some alternative methods to keep the contents of your backpack dry include waterproofing individual items inside the backpack, using a commercially available pack cover, or using a backpack made with waterproof materials like Dyneema Composite Fabrics (DCF) or Ultra. Ultimately, the choice of waterproofing method depends on your specific needs and preferences.
Regarding the size of a waterproof bag for a sleeping bag, a 15L dry bag is typically comfortable for most regular sleeping bags. However, it's important to consider the size and bulkiness of your sleeping bag and choose a dry bag that fits snugly.
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A waterproof stuff sack can be used inside a backpack
Waterproof stuff sacks are designed to keep water from getting inside, so you can be sure that your sleeping bag will remain dry even if your backpack gets wet. They are also useful if you need to cross rivers or creeks, as they can provide a layer of protection for your sleeping bag. Additionally, using a waterproof stuff sack inside your backpack can help with packing. The size and shape of the stuff sack can fill up one side of your backpack, making it easier to pack other items around it.
When choosing a waterproof stuff sack, consider the size of your sleeping bag and the amount of space you have in your backpack. Most regular sleeping bags will fit comfortably inside a 15L dry bag. However, if you have a larger sleeping bag, you may need a bigger stuff sack. It is important to get the right size stuff sack so that it fits snugly inside your backpack without taking up too much space.
You can also use other methods to waterproof your sleeping bag inside your backpack. For example, you can use a trash bag or a pack liner to keep your sleeping bag dry. Some people also use a pack cover, which is an external cover that wraps around the outside of your backpack to protect it from light rain. Another option is to use a compression sack, which helps to reduce the volume of your sleeping bag and make it more compact.
Ultimately, the decision to use a waterproof stuff sack inside your backpack depends on your personal preferences and the type of trip you are planning. If you are concerned about rain or moisture, then using a waterproof stuff sack can provide peace of mind and ensure that your sleeping bag stays dry and comfortable.
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Frequently asked questions
Dry bags come in different sizes, ranging from small 2-liter bags to huge 50, 60, or 90-liter bags. A 15-liter bag should fit a regular sleeping bag comfortably.
Longer trips with more gear will require a larger bag. However, bigger bags can become heavy and clumsy when full. Ideally, you want a bag that is almost full so that the roll-down mechanism works better.
Some people use a waterproof stuff sack or a waterproof pack liner to protect their sleeping bag. Others use a small trash bag or a waterproof roll-top bag inside their main pack.
Dry bags are constructed to ensure that absolutely no water can get inside. This feature is especially useful if you plan to use your bag near wild rivers or the ocean.
Yes, REI Co-op offers a selection of waterproof sleeping bags. Sleeping bags with a waterproof shell can also add durability, warmth, and functionality.











































