I was pondering how to improve my nanok sleeping bag rating and thought about a silk liner or similar. Then I had a thought, what about using my hammock overquilt inside the bag. Anyone tried this for winter-time camping?
Increasing sleeping bag rating
- Thread starter Humpback
- Start date
If the outer bag is big enough and light enough not to compress the air out of it, itll work to a fashion, maybe very well. Only trying it will you know for sure mate but I'd wager it wont be colder.
I've used my UQ successfully as a bag topper in the winter, but thats effectively a shaped down blanket.
I've used my UQ successfully as a bag topper in the winter, but thats effectively a shaped down blanket.
I just use a silk liner when its really cold, with a bivi bag over the outside of the bag (in a hammock)
Works wonders. Dont see why your overquilt would not work, in or... over!
Works wonders. Dont see why your overquilt would not work, in or... over!
Does no one here take a hot water bottle with them? I expect the ultralighters will burst a blood vessel at the thought but seriously, one last brew up of the night and you will have a rubber filled delight warming your cockles
Steve.
Steve.
Does no one here take a hot water bottle with them? I expect the ultralighters will burst a blood vessel at the thought but seriously, one last brew up of the night and you will have a rubber filled delight warming your cockles
Steve.
I've used a Nalgene bottle a few times, chucked down to the foot end of my bag when it's baltic
no what u lot need is a set of chemical reboil hand warmers in socks and stick them round your gooolies cos it warms u from the inside out
you can get a liner for about £15-20 which gives you another 5 or so degrease c, not bad and they pack up small, most camping shops do them, or just get an army doss bag or a good down one..
remember insulation is the key to keeping warm wheather in a hammock or on the ground...
remember insulation is the key to keeping warm wheather in a hammock or on the ground...
lol
I've been reading up on dew points in damp conditions, and a train of thought goes, that it's sometimes worth while putting an insulating layer on top of your bivi to stop condensation damping out your sleeping bag. This would only work if your overquilt is synthetic.
I've been reading up on dew points in damp conditions, and a train of thought goes, that it's sometimes worth while putting an insulating layer on top of your bivi to stop condensation damping out your sleeping bag. This would only work if your overquilt is synthetic.
forestwalker
Bushcrafter (boy, I've got a lot to say!)
A pile liner will add 5-10C in rating.
Dew point... IIRC Vilhjalmur Stefansson insisted on calf reindeer hides in his sleeping bags since the frost would then happen on the igloo walls, not inside his sleeping bags.
Dew point... IIRC Vilhjalmur Stefansson insisted on calf reindeer hides in his sleeping bags since the frost would then happen on the igloo walls, not inside his sleeping bags.
It depends where the temperature barrier is. If it's the outside surface of your bivi then that's where droplets will form.
Fleece liners are fantastic in the winter. I have a cheapo tesco one and it just about keeps my legs and feet warm, but I have seen the Gelert liner and its very good quality for the price.
Alternativly if you use a bivi bag, that adds a degree of warmth.
Alternativly if you use a bivi bag, that adds a degree of warmth.
I've always looked at it like clothing. more layers, trapping more air which when warmed by your body creates an insulated barrier?? don't know if thats right, it's just the way I think of it.
so I have a silk liner then a fleece blanket [which I've stiched into a bag shape] inside my sleeping bag, in side a bivi. If its REALLY cold I keep all my clothes on AND put on all the other dry/cold weather clothes I've brought as well... Feels a bit like the michelin man but toasty.
Oh and also have a nice hot cup of tea before you go to bed...
so I have a silk liner then a fleece blanket [which I've stiched into a bag shape] inside my sleeping bag, in side a bivi. If its REALLY cold I keep all my clothes on AND put on all the other dry/cold weather clothes I've brought as well... Feels a bit like the michelin man but toasty.
Oh and also have a nice hot cup of tea before you go to bed...
Im always warmer ........ eventually if i take me socks off other wise they just get damp then cold
i do find that a Shemagh draped over my head out side the bag keeps the head warm as it slows the loss of heat breathed out tho is it damp
and on a HH the 4 season over cover top is great again it traps the warm air in the hammock
i really need ot get a new one for my larger hammock dont need the under cover as my new one has a double bottom
ATB
Duncan
i do find that a Shemagh draped over my head out side the bag keeps the head warm as it slows the loss of heat breathed out tho is it damp
and on a HH the 4 season over cover top is great again it traps the warm air in the hammock
i really need ot get a new one for my larger hammock dont need the under cover as my new one has a double bottom
ATB
Duncan
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