A good night's sleep is half the battle, so your sleeping bag is probably the most important piece of gear. In our e-shop, we put a huge focus on the balance of thermal comfort (performance) to weight and packability, which is why you'll mainly find ultralight down sleeping bags here.
Tips for choosing a sleeping bag
Sleeping bags can be divided into three basic categories according to the season: summer, three-season, and winter (four-season). Most people go for the most versatile three-season sleeping bag (for example, Cumulus Lite Line 400), they cover the largest part of the year with it (spring to fall), when you go camping in nature. The number in the sleeping bag's name almost always indicates the weight of the down filling.
To pick the right sleeping bag, first, figure out the conditions you'll mainly be using it in. Then check out the comfort and limit temperatures, or the fill weight. If you're into the weight and packability of your gear, an important factor will be the weight and dimensions of the sleeping bag when packed.
What do the individual temperatures on sleeping bags mean? (according to the standard)
- Comfort temperature – the lower temperature at which a woman lies in a relaxed position (e.g., on her back), is in thermal balance, and doesn't feel cold.
- Limit temperature – the lowest temperature at which a man lies in a curled position, is in thermal balance, and doesn't feel cold.
- Extreme temperature – the temperature at which there's a risk of health damage due to hypothermia.
Generally, you could sum it up like this: women will lean more towards the comfort temperature, guys will be looking at a temperature somewhere between comfort and limit, and the tough ones can just go for the limit. For those who are really sensitive to the cold, we recommend adding a buffer of 2–3 °C from the comfort temperature. So if you need a sleeping bag rated for 3 °C, you should choose one with a comfort rating of 0 °C.
An important parameter of down is fill power (cuin). The higher this value, the better the down quality, it has more loft, and thanks to that, you need less down to achieve the desired thermal comfort. That's why hardcore ultralight enthusiasts will probably choose sleeping bags with the highest possible fill power. Of course, with the quality of down, its purchase price also goes up.
If you don’t want to miss even the smallest detail when choosing the right sleeping bag, we suggest taking some time to read our comprehensive article on sleeping bag selection – 6 tips for choosing a sleeping bag for trekking and multi-day hikes. Another useful article for understanding the issues with down sleeping bags is our piece on down – Not all down is created equal. Everything you need to know about it. And as the last valuable source of information about down sleeping bags, we have to mention 10th episode of our podcast Life on Trek with Honza Haráč, the owner of the Czech specialty store for down sleeping bags, Patizon.
Individual model lines and their specifications
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