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  • Sac de couchage enveloppe

Envelope sleeping bag is a common outdoor sleeping equipment, named after its shape is similar to an envelope. It usually consists of a sleeping bag body, a zipper and a neckline tightening device. The main body of the sleeping bag is the core part, including the outer layer, the inner layer and the filling material. The outer layer is generally a wear-resistant and waterproof fabric, which is used to protect the sleeping bag from external environment (such as moisture, dust, branches, etc.).

 

The inner layer is mostly soft and comfortable material, which is in direct contact with the human body and provides users with a comfortable touch; The filling material determines the warm-keeping performance of envelope sleeping bags. Common filling materials include down and chemical fiber cotton.

 

The zipper is generally installed on one side of the sleeping bag, which is convenient for users to enter and exit. Some high-quality envelope sleeping bags have well-designed zippers, which can be pulled smoothly and have anti-pinch function. The neckline tightening device can adjust the neckline size to prevent heat loss.

Different Sizes of Envelope Sleeping Bags 

 

Envelope sleeping bags are available in a variety of sizes. Single envelope sleeping bags are generally about 180-220 cm in length and 70-90 cm in width, which can meet the sleeping needs of most adults. The double envelope sleeping bag is wider and longer, with a length of 220-240 cm and a width of about 140-180 cm, which is suitable for two people and provides enough space for couples or couples.

 

The envelope sleeping bag is loose in shape, unlike the mummy sleeping bag, which is close to the body. The user has a large activity space in the sleeping bag and will not feel bound. This makes it not only suitable for outdoor camping, but also can be used as a temporary warm-keeping product indoors (such as in a room without heating or in case of power failure). However, due to its loose design, it may be slightly inferior to the mummy sleeping bag in terms of warmth retention performance, especially when the ambient temperature is low, the heat loss will be relatively more.

 

Suggestions on the Use of Envelope Sleeping Bags in Different Environments 

 

According to the temperature identification, choose the suitable use environment. When camping in warm seasons (such as summer), you can choose envelope sleeping bags with high temperature labels (such as comfortable temperature above 15℃) or directly use thin sleeping bag liners. For camping in spring and autumn, sleeping bags with comfortable temperature of about 5-15℃ are generally selected. In cold winter, especially in outdoor low-temperature environment (such as camping in snow-capped mountains and extremely cold areas), sleeping bags with good thermal performance and low comfortable temperature (such as-10-0℃ or even lower) should be used, and other thermal measures (such as using warm floor mats) should be used to resist the cold.

 

The Cleaning Methods of Envelope Sleeping Bags with Different Filling Materials Are Different 

 

For envelope sleeping bags filled with down, try to avoid frequent cleaning, because cleaning may damage down. If you need to clean, you should use a special down cleaning agent, gently wash it by hand or choose a gentle washing machine, and then dry it in a well-ventilated and low-temperature environment. Envelope sleeping bags filled with chemical fiber cotton are relatively easy to clean, and can be cleaned according to the normal washing procedure of the washing machine, but attention should also be paid to avoiding the use of strong detergents or bleaches.

 

No matter what kind of envelope sleeping bag is filled with, make sure it is completely dry after cleaning, so as not to breed mold or produce odor. When storing, it is best to put the envelope sleeping bag loosely into the storage bag, and don't over-compress it, especially the down sleeping bag, because over-compression will affect the fluffy degree of down and the warm-keeping performance when it is used next time.

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