| Topic: Keeping warm at night in the tent!
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Message posted by kavsak23/9/2016 at 6:34am
Outfit: Six Moon Designs Deschutes Tarp + feet Location: Hertfordshire
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I quite agree that we all feel the cold differently. Women certainly tend to feel the cold about 5 degrees before men do.
However, what a lot of people don't seem to realise is that adequate insulation underneath you is at least as important as above. Regardless of how much insulation is underneath your bed, sleeping directly on an airbed or camp bed is equivalent to throwing off the covers. Good insulation in the form of a SIM or a proper sleeping mat is important. Laminate floor underlay or radiator insulation can boost a cheaper SIM. A duvet underneath you will be compressed and thus not very warm.
Use an airbed as well if you want a bit of a softer bed, but regard it as a convenience, not an essential. Some hardy souls have been known to sleep on nothing but bubble wrap!
The majority of major camping suppliers do not help as their SIMs and sleeping bags are designed for summer use only. The important figure for a SIM is the r value which is a measure of its insulation. You should aim for a figure of at least 3. The majority appear to be about 1 or less, and are often not quoted at all. Think about the difference in warmth between sleeping on polythene or polystyrene.
Sleeping bag temperatures are also often misrepresented by quoting the extreme limit temperature. This is the temperature at which you should just about avoid hyperthermia. For example you may find that a bag quoted as 0 degrees actually has a lower comfort level of about 10. The comfort figure is the only one that matters.
Women need a warmer bag than men. If you still feel cold, wear a light fleece or down jacket. Warm socks can make big difference.
Bear in mind that sleeping bags / quilts are no different to cool boxes. You need to be warm when you get in. Run round the tent a few times or do something active inside.
With a little bit of research, you can assemble a sleep system that is good to -5 degrees, weighs less than two pounds and takes up about as much room as two one litre bottles. Only twice the size if you go for double mats and bags.
If nothing else, avoid cotton clothing and bedding at all costs. It will not keep you warm.
Post last edited on 23/09/2016 06:51:15
Post last edited on 23/09/2016 07:48:05
Post last edited on 23/09/2016 07:48:18
If you don't need to wear ALL of your clothes at least once to keep warm, you've brought too many.