Gina Johnson
Sleeping bags are often marketed for their ability to compress down to a fraction of their size, making them ideal for backpacking and camping trips. However, when it comes to storing your sleeping bag at home, it is important to give it room to breathe. Compressing your sleeping bag for long periods can damage the insulation, reducing its effectiveness and compromising its ability to fluff up and create small air spaces within the insulation. This applies to both down and synthetic sleeping bags, although synthetics tend to fare worse.
| Characteristics | Values |
|---|---|
| Storage | Store in a large bag that contains it but doesn't compress it, or hang it by the loop |
| Drying | Dry on a low heat setting, checking frequently to avoid damage from heat or twisting |
| Washing | Wash periodically to remove body oils, sweat and dirt |
| Temperature | Store in a cool, dry place, avoiding moisture and temperature extremes |
| Compression | Avoid compressing for long periods of time, as this can damage the loft |
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What You'll Learn
Long-term compression may damage the bag
Long-term compression can damage a sleeping bag by reducing its loft, which is what keeps you warm. The longer a sleeping bag is stored in a compressed state, the more its lofting ability is compromised. This is true for both down and synthetic bags, although synthetics tend to fare worse.
Loft degradation occurs when the insulator in a sleeping bag is compressed, making it less effective at trapping body heat. This can happen when a sleeping bag is stored in a stuff sack for months on end. Even if the bag is only compressed for a few days, it may still lose some of its resiliency and lofting ability.
In addition to reducing loft, long-term compression can also cause damage to the barbs and barbules of the feathers in a down sleeping bag, which will further decrease loft over time. This type of damage is less likely to occur with higher-quality down, but it is still a risk, especially if the bag is compressed too tightly.
To avoid damaging your sleeping bag, it is recommended to store it uncompressed in a large, breathable cotton or mesh sack. This will allow the bag to retain its loft and ensure that it can dry out thoroughly. It is also important to keep the bag dry and clean while storing, as moisture can lead to the growth of mold and mildew, which can compromise performance.
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Short-term compression is fine
Short-term compression of a down sleeping bag is fine. However, it is important to note that the bag should not be stored in a compressed state for extended periods, as this can lead to loft degradation, compromising its performance.
When not in use, it is recommended to store a down sleeping bag uncompressed in a cool, dry, and breathable cotton or mesh sack. This allows the bag to maintain its loft, which is crucial for trapping body heat and keeping you warm. While down sleeping bags are known for their compressibility, they should only be compressed for short periods, such as when packing for a trip or storing them in a confined space.
Some people suggest that compressing a down sleeping bag can be beneficial, as it helps to break down clumps in the down material. However, others argue that compression sacks are unnecessary and can even be detrimental to the bag's longevity. Instead, they recommend simply stuffing the bag into a pack without a stuff sack or using a simple, loose stuff sack that doesn't compress the bag too much.
When it comes to short-term compression, some sources suggest that 12 hours is a reasonable timeframe to keep a down sleeping bag compressed. Others say that a few days should be fine, especially if the bag is new and hasn't been compressed for a long time during shipping and storage. However, it's important to treat your gear nicely and avoid compressing it for longer than necessary.
In summary, short-term compression of a down sleeping bag is generally acceptable, but it's important to uncompressed it as soon as possible and store it loosely to maintain its loft and performance over the long term.
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Loft degradation can occur
While down bags are generally higher quality and less susceptible to loft degradation than synthetic bags, both types of fillings will be compromised if stored compressed for too long. In addition, compressing a down bag too tightly can cause damage to the barbs and barbules of the feathers, which will also decrease loft over time.
It is recommended to store sleeping bags uncompressed in a large breathable cotton or mesh sack. This allows the bag to retain its loft and ensures that it is stored in a cool and dry place, as moisture and temperature extremes can be hard on the bag.
While some sources suggest that compressing a sleeping bag for a short period of time, such as during a trip, is not an issue, others advise against it, stating that every second a bag is compressed is a check against its longevity. Therefore, it is generally recommended to avoid storing a sleeping bag in a compressed state whenever possible.
Additionally, it is worth noting that keeping a damp down bag compressed will likely result in the growth of mold and mildew, further compromising the bag's performance.
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Damp bags should not be compressed
Damp sleeping bags should not be compressed for storage. This is because moisture and temperature extremes are hard on your bag. If you do not dry out your bag between trips, mould and mildew can grow on the surface and inside the insulation.
It is critical to dry your sleeping bag thoroughly before storing it. This is because the insulation in a sleeping bag needs to be able to fluff up (or loft) to create small air spaces within the insulation. Compressing a damp sleeping bag will prevent the insulation from fluffing up properly.
If you are backpacking and need to compress your sleeping bag, it is best to only do so for as long as necessary. When you reach your destination, unpack your bag and let it loft up. It is also important to keep your bag clean, as dirt and body oils can affect the bag's performance and its ability to loft.
When storing your sleeping bag at home, it is best to store it in a cool, dry place inside a large breathable cotton or mesh sack. This will allow any residual moisture to escape and prevent the growth of mould or mildew.
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Bags should be dried before storage
Sleeping bags should be dried before storage to prevent the growth of mould and mildew. This is especially important if your bag is slightly damp at the end of a trip. To dry your bag, unzip it fully and hang it over a line or on a large hanger in a covered outdoor space for 6 to 8 hours. Avoid direct sunlight, as UV rays can weaken the fabric. If you don't have access to an outdoor space, you can dry your bag indoors by hanging it in a well-ventilated area.
It is important to note that moisture and temperature extremes can damage your sleeping bag. Therefore, avoid storing your bag in damp basements, unheated or uncooled spaces like garages and attics, and car trunks. Instead, choose a storage location that is both cool and dry, such as a closet or under the bed.
Additionally, ensure your sleeping bag is thoroughly cleaned before storage to remove any body oils, sweat, and dirt that can compromise its performance. While washing your bag periodically is recommended, those who use their sleeping bags frequently should consider washing them once a season. Always dry your sleeping bag on a low heat setting and check it frequently to avoid damage from heat or twisting.
Properly drying and storing your sleeping bag will help maintain its loft, which is crucial for keeping you warm during use. By following these steps, you can ensure that your sleeping bag remains in good condition for future adventures.
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Frequently asked questions
No, it is not recommended to store a down sleeping bag in its compression stuff sack for an extended period of time. This is because it can lead to loft degradation, reducing its effectiveness in trapping body heat and keeping you warm.
It is generally recommended to avoid keeping a down sleeping bag in a compressed state for longer than a few days to a week. The longer the bag is kept compressed, the greater the potential damage to its lofting ability.
To store your down sleeping bag correctly, it should be dried thoroughly and stored uncompressed in a cool, dry place. It can be loosely stored in a large, breathable cotton or mesh sack, or hung in a closet.
