Sleeping Bags: Material, Thermal Capacity and Weight.

In other entries, we saw different types of sleeping bags, as well as the main parts of a sack. Today we’ll talk about the other 3 relevant characteristics of a sleeping bag: the materials with which it is made, the thermal capacity of the bag and its weight.

Thermal capacity

This depends on the thickness of the insulating layer, collar, latches and hood insulation. Manufacturers often indicate the range of temperatures for which it was designed the bag. This gives a rough idea that temperatures can support. It is important that you understand the nomenclature used in sleeping bags:

  • Extreme temperature: Temperature of limit lower it can support deltro of the sleeping bag before user starts to suffer damage in the body.
  • Temperature Comfort: Temperature with which the user feels comfortable in the sleeping bag.
  • Maximum temperature: Maximum temperature where the user feels comfortable inside the bag.

Therefore, the lowest temperatures you face must be very close to the comfort temperature of the sleeping bag you choose.

Tip: It is important to remember that the environment where sleeping bag are affect the final temperature you get. A soil well insulated and tightly sealed tent will help to keep you warm.

Materials

Below are some of the most typical materials used in the sleeping bags, and a brief description of the advantages and disadvantages of each.

  • Cotton

Advantages: It is soft, absorbs the moisture generated by perspiration and in winter it retains heat. Cotton flannel feels very warm and is quite durable.

Disadvantages: It is rather heavy. When is apelmasa (apelotona), can be difficult to separate.

  • Nylon (synthetic fiber)

Some plastic synthetics are nylon, polyester, and acrylic fibres. There are synthetic fibres of filling, such as: Qualofil, Izotherm, Hollowfill and Polarguard 3D.

Advantages: It is lightweight, durable, easy-care and protects from the cold. You can put in the washing machine without any problem. They are ideal for the summer, and does not lose its insulating properties if there is high humidity. If it gets wet, it dries quickly. Its price is lower.

Disadvantages: They get dirty easily, it is not so warm as cotton and sweat it sticks to the skin. They are a bit heavier than the feather sleeping bags, but they are still very light and the option more comfortable.

  • Pen

The quality of pen is expressed in the mix for the amount of feather and his nerve. A sleeping bag with feather 90/10 is better than a 80/20. The amount of feather in a sleeping bag is expressed in cuin (cubic inches).

Advantages: It is the best insulator, can expand and compress better than fiber and takes up less space when the bag is inside its case, by what weighs less.

Disadvantages: They are more delicate than the synthetic fiber and avoid that they get wet or wet since it loses its insulation ability. You can also wash often such as fibers and it must be done with special products, because if not, feather cakes (apelotona) and created holes in the halls of the SAC. It is more expensive, if it gets wet dry it.

Tip: If you want a sleeping bag for general use is recommended one of synthetic fibers.

Weight

The weight depends on the material and the dimensions of the bag. Nylon bags weigh less than cotton and are much easier to wash and dry. Take care of your sleeping bag and procurement that does not get wet during the voyage!

If you want to lower the load you carry, choosing a lightweight bag can be a good idea, but always according to the climate of the place to go. If it is summer time and your destiny is not in high mountain, you have 2 stations sleeping bags with between 2 and 3 kg from €20, one price excellent, with all the basic features that are covered.

Now have all the data to choose a sleeping bag that is approaching more than you need, so get ready to enjoy!
Choose your ideal sleeping bag by clicking here: http://www.sleepingbagsexpo.com/.

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