Whether you’re sleeping in a house, in a tent in the summer in the south of France or in a tent in the mountains, your choice will be totally different.

There are different temperature levels:

- from 0°C to 10°C: ideal for the extreme cold or the mountains
- from 10°C to 20°C: ideal for summer nights
- more than 20°C: ideal for the home

It’s up to you to choose your sleeping bag depending on the temperature of your chosen location/environment you’re sleeping in. If, for example, you plan to buy a sleeping bag for sleeping indoors in a house, a bag rated above 20°C is ideal.

WHAT IS THE COMFORT TEMPERATURE?

The comfort temperature may be supplemented by a limited temperature. If the temperature of the place where you’re sleeping is lower than the temperature limit indicated on your bag, you may feel cold in your sleeping bag, even when curled up. These temperatures also depend on other elements: your resistance to the cold (which may be influenced by your build or fatigue level), your equipment (if you have a good mattress that insulates you from the ground), your clothing and the climatic conditions (if there is humidity or wind for example).

When it comes to choosing the material for your sleeping bag, you'll, of course, need to consider the weather, climate and temperature of your outdoor adventures. This will give you an idea of the kind of features you need the material to possess, whether that's breathability for hotter climates, insulation and more heat-trapping materials for colder climates or water-proof or water-repellent materials if you're expecting some rain or exploring amongst the snow.

Sleeping bags for bivouacking are either filled:
-feathers or polyester

Sleeping bags for camping are made of either:
-cotton or polyester.

Quick tip: If you know you're likely to get messy and muddy or are planning on camping with kids, then polyester is a material that is easy to care for and clean.

We determine ease of transport by the weight and compactness of a sleeping bag. If you’re on a trekking holiday, you’ll probably be carrying your own sleeping bag – as well as provisions, spare clothes, maybe the tent and other essentials – so ideally, you don’t want it to take up lots of space or slow you down. You can afford to have a heavier sleeping bag for hikes where you return to your camp each night. So, in a nutshell:

For trekking, choose a lighter and less compact sleeping bag to reduce fatigue while carrying it and take up less space during your trip.

For hiking, opt for a more comfortable and potentially heavier sleeping bag that’s compact.

Sleeping bag or duvet for camping:

If you are setting up camp in a fixed location, we advise you to focus on the comfort of your sleeping bag. As a result, this bag will be larger and heavier.

"Sarcophagus" sleeping bags for bivouacking, hiking or trekking:

If you are going on a bivouac with your tent and sleeping bag, we advise you to choose a light and compact model. They usually come in the form of a "sarcophagus sleeping bag."