Colin Snow
Military mummy sleeping bags are designed to withstand harsh winter conditions and are made to be durable and tough. They are typically made with a water-repellent and wind-resistant outer shell and a warm inner filling. While these sleeping bags are designed to take a beating, they still need to be cared for properly. This includes knowing how to dry them correctly. It is best to air dry a military mummy sleeping bag on a flat surface, such as a drying rack, and to avoid drying it in a machine as this can damage the insulation.
| Characteristics | Values |
|---|---|
| Cleaning | Can be cleaned in a washing machine or spot cleaned with a brush, rag, and soap. |
| Drying | Air drying on a flat surface is best. If hung, it must be hung in multiple spots to prevent clumping. Do not dry clean; this can harm the insulation. |
| Storage | Should be stored clean and completely dry to prevent mold. Do not store in a compression sack or plastic bag; hang the bag instead. |
| Material | Polyester, cotton, nylon, and down. |
| Temperature | Designed for extreme cold weather, down to –40° F. |
| Features | Smooth zipper, adjustable hood, overstuffed foot box, and a built-in compression bag that can be used as a pillow. |
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What You'll Learn
Machine wash at 40°C or lower
Military mummy sleeping bags are made from durable and tough materials, so they can withstand machine washing without any problems. In fact, the manufacturers assume that the bags will be washed in industrial machines, so a standard domestic machine at 40°C or lower will be absolutely fine.
The instructions on military sleeping bags typically recommend using a front-loading washing machine. This is because older top-loading machines had agitators in the middle of the basin, which could damage the sleeping bag. However, most top-loading washers today don't have central agitators, so it is safe to use them.
It is best to wash your military mummy sleeping bag as infrequently as possible to avoid damaging the insulation. To minimise the need for washing, consider using a sleeping bag liner, always sleeping in clean clothes, and avoiding bags that are too warm for your needs (as these will make you sweat).
When it comes to drying your military mummy sleeping bag, air drying is best. Hang it up or drape it over a drying rack. If you must hang the bag, ensure it is hung in multiple spots so the insulation doesn't clump in one area. Make sure the bag is completely dry before storing it, otherwise, it may get mouldy.
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Avoid dry cleaning
Military sleeping bags are designed to be durable and tough. However, it is important to care for them properly. While it is safe to wash a military sleeping bag, it is recommended to do so infrequently to avoid damaging the insulation.
Firstly, it is important to note that you should never dry clean a military sleeping bag. The chemicals used in dry cleaning can harm the insulation, causing it to lose its loft and ability to retain heat. Certain dry-cleaning chemicals can strip the natural oils from the down filling, preventing it from lofting properly.
To minimise the need for washing, consider using a sleeping bag liner. Always sleep in clean clothes and ensure you are not too warm, as this will cause you to sweat. When not in use, keep the bag dry and protect it from ground moisture. Unzip the bag and air it out to ensure it is completely dry, then store it loosely in a large cotton or mesh sack. Do not store the bag compressed in its stuff sack as this will damage the filling over time.
If your bag does need washing, check the manufacturer's instructions. Most military sleeping bags can be washed in a front-loading washing machine on a gentle cycle. If handwashing, fill the tub with cool or warm water and add a suitable cleaner for the type of sleeping bag. Avoid using too much soap, as it will be harder to rinse out. Lay the bag in the water and gently work the soap through, paying extra attention to heavily soiled areas. Allow the bag to soak, then drain the water and gently press out any remaining water. Refill the tub with clean water and rinse the bag, allowing it to sit before draining again.
After washing, dry the bag in a dryer at a low heat. For down bags, put a couple of clean tennis balls into the dryer to help break up clumps of down. Repeat the drying cycle until the insulation is completely dry. If the bag is stored even slightly damp, mould or mildew can form.
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Air dry on a flat surface
Military mummy sleeping bags are designed to withstand tough conditions, but they still need to be cared for properly. It is recommended to air dry these sleeping bags on a flat surface, such as a drying rack. Here are some detailed instructions to ensure your bag stays in top condition:
Firstly, it is important to note that you should avoid drying your military mummy sleeping bag in a dryer or using dry cleaning services. The chemicals used in dry cleaning can harm the insulation of the sleeping bag, causing it to lose its ability to retain heat. Similarly, machine drying can also damage the bag.
When air-drying your military mummy sleeping bag, follow these steps:
- Lay the bag on a flat surface: Place the sleeping bag on a flat surface, such as a table or a drying rack. Ensure that the surface is clean and free of any debris.
- Drape the bag: Draping the bag over a drying rack or a similar flat structure is recommended. This allows for even drying and prevents the insulation from clumping in one area.
- Avoid hanging: If possible, avoid hanging the bag to dry. If you must hang it, ensure that it is hung in multiple spots to distribute the weight evenly and prevent clumping.
- Allow adequate time for drying: Make sure the sleeping bag is completely dry before storing it away. Insulation, when damp, can lead to mold and odour issues.
- Do not store in a compression sack: Compression sacks can permanently compress the insulation, making it impossible to fluff up again. Instead, hang the bag or store it in a breathable bag.
- Prevent mould and odours: To prevent mould growth and bad odours, allow the bag to breathe during storage. Do not store it in plastic bags or containers that are impermeable to air.
- Wash before storing: While it is recommended to minimise washing to protect the insulation, it is important to wash and fully dry the bag before prolonged storage.
By following these instructions, you can effectively air dry your military mummy sleeping bag on a flat surface, ensuring it remains in good condition for your future outdoor adventures.
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Wash before long-term storage
Military-style mummy sleeping bags are designed to withstand harsh conditions and are made from durable materials. However, this does not mean that they should not be cared for properly, especially before long-term storage.
Firstly, it is important to note that you should avoid washing your military mummy sleeping bag too frequently. Over-washing can damage the insulation of the bag, reducing its ability to retain heat. To minimise the need for washing, consider using a sleeping bag liner, always sleeping in clean clothes, and avoiding using a bag that is too warm, as this will make you sweat. You should also avoid dry cleaning your sleeping bag, as the chemicals can harm the insulation.
However, it is recommended to wash your military mummy sleeping bag before putting it into long-term storage. This will ensure that any dirt, oils, sweat, or odours are removed, and it will help to prevent mould growth during storage. Make sure to air dry the bag completely before storing it, as storing a damp bag can lead to mould and bad odours. The best way to dry a sleeping bag is on a flat surface, such as a drying rack, to prevent the insulation from clumping. If you must hang the bag, ensure it is hung in multiple spots to avoid clumping.
Once your bag is clean and dry, you can prepare it for long-term storage. Do not store your bag in a compression sack, as this can compress the insulation, making it impossible to fluff and reducing its effectiveness. Sleeping bags should be stored loosely, either hung up or placed in a large cotton or mesh storage sack. This allows the bag to breathe and prevents mould growth. You can also use a large pillowcase or sew your own cotton bag. It is important to check your bag periodically during storage to ensure that the seams, zippers, and drawcords are in good condition, and to feel the insulation to ensure it is evenly distributed.
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Avoid storing in plastic
Sleeping bags, including military mummy sleeping bags, require proper care to maintain their performance and longevity. While these bags are designed to withstand harsh conditions, incorrect storage can lead to damage and reduced effectiveness. One crucial aspect of storage is avoiding the use of plastic containers or bags.
Sleeping bags should be stored in a dry, cool place, away from direct sunlight and extreme temperature fluctuations. Plastic storage containers or bags can trap moisture, leading to mould and odour issues. Changes in temperature and humidity can cause moisture accumulation inside the container, which, if left unchecked, can result in mould growth. Mould not only damages the sleeping bag but also poses health risks when used.
The sleeping bag's insulation and filling are essential for its performance. The filling needs to "loft, or fluff up, to create small air spaces that trap body heat and keep you warm. When stored in plastic, the insulation fibres can become compressed, making it difficult for the bag to loft properly. This compression can occur due to the lack of breathability in plastic, as well as the weight of the bag itself or other items placed on top of it.
Additionally, plastic containers or bags can create a sealed environment, hindering air circulation. This lack of ventilation can contribute to moisture buildup and promote the growth of mildew or mould. The sleeping bag's materials, such as the fragile exterior coating and delicate insulating fibres, require breathability to maintain their integrity. Storing them in plastic can lead to damage and reduced effectiveness in keeping you warm.
Instead of plastic, it is recommended to store sleeping bags in a large, breathable cotton or mesh sack. These materials allow for natural breathability, helping to prevent moisture buildup and mould growth. The sack should be loosely packed to avoid compression of the insulation, and it can be placed on a shelf or in a cool, dry cupboard or room for optimal ventilation.
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Frequently asked questions
Yes, all types of military sleeping bags can be cleaned in washing machines. However, it is recommended to wash them infrequently to avoid damaging the insulation.
It is best to air dry a military mummy sleeping bag on a flat surface, such as by draping it over a drying rack. If you hang the bag to dry, ensure it is hung in multiple spots so the insulation doesn't clump in one area. The drying temperature must be below 130°F.
No, dry cleaning chemicals can harm the insulation, causing it to lose its loft and ability to retain heat.
