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View Full Version : whats the coldest i can get in a thermrest pad n a 20 degree bag



stonefree
05-06-2010, 22:31
im going on fishin trip this weekend in the high sierras, would just the pad n the bag be enough in my hennessy hammock

Roadtorque
05-06-2010, 22:32
What type of temps to you plan on encountering?

stonefree
05-06-2010, 22:35
around 30
im also curious as to what temperatures other member have been in with just the pad n bag

swampfox
05-07-2010, 05:48
I did 37 degrees with a Z-Rest pad and 15 degree down bag with no problem.
It was dry and not windy.

Bleemus
05-07-2010, 06:11
Did 40 degrees F last night with a GG pad and a WM Summerlite bag. Very windy. Slightly chilly this morning but fine.

animalcontrol
05-07-2010, 07:46
when I used a thermarest (inflatable I'm assuming), I never trusted it much below 35-40* if that was all I using...your sleeping bag will be the same
YRMV

lori
05-07-2010, 10:03
HIGH Sierras? Have fun in the snow... it's going to be colder than you think. The snow is still some feet deep at 7000, which is mid-elevation....

Unless you are going below 5-6000, in which case you'll be fine. If you want to be safe add a foam pad to the thermarest, people do that in the snow with good success.

brownc
05-07-2010, 10:04
I used a blue pad from walmart and 20 degree bag down to 35ish. I was not cold but I was not toasty either.

Festus Hagen
05-07-2010, 10:26
Too many variables. I have a "15 bag" (eureka casper) which I find comfortable on a good pad, on the ground, down to a little over 20. Same pad, in the hammock, I get cold around 30.

My takeaway is, you could expect to "lose" 10-15 degrees of "comfort rating" going from ground to hammock, but that's me... not you. Also you need the baseline ground experience to base that on. Add heavy winds to that you could also lose a lot more.

A lot of times, I think temp ratings on sleeping bags are based on "the average man won't DIE at this temperature" but as I'm interested in getting a good night's sleep, that's not too useful to me. Experience and trial and error are the only ways I know to really know what you've got your hands on.

smithobx
05-07-2010, 12:48
I agree with Festus, too many variables, but just as important as your pad is a snack ( I like a candy bar) and a hot drink before bed to fuel the furnace. Have a good trip.--John

stonefree
05-07-2010, 14:58
good to hear you guys get that low im a warm sleeper so i think ill be able to do it, ill find out in a few hours.
ill be at bishop so its going to be a bit snowy but we have a cabin for sat night if i cant hang

tammons
05-07-2010, 22:56
I did 14dF with an ultra 20 on a blue pad and a garlington taco bottom.

Shug
05-08-2010, 01:05
I did -7º with two pads... a thermarest pro-lite and a blue ccf pad. Not cold at all.

NFA
05-08-2010, 06:47
I'm a warm sleeper, and have done 20F in a MSS green bag with a z-lite pad with only a little morning chilliness...

I think that a 20F bag with a full length pad should certainly take you down to 25-30F...

In the interest of full disclosure, I generally hammock-camp wearing a balaclava and socks to bed, and also try to snack up before bed...


Jamie

stonefree
05-09-2010, 16:25
i got down to the low 30s just fine, i did better then my friends in a tent who said they were cold all night. i used my sleeping bag like a quilt its only 3/4 zipper so it made a nice foot box and iwas able to tuck the extra sleeping bag that would of been under me to keep my shoulders nice n warm

Shug
05-09-2010, 17:54
Nice job Feller!!!!
Shug

stonefree
05-09-2010, 18:02
thanks shug love your vids
im going fishing again next weekend

Meathook
05-09-2010, 19:20
My experience was fairly similar a couple weeks ago I used a Ridgerest and a Thermarest guidelite 3/4 with my Western Mountaineering 10+ bag as a top quilt. Got down very close to freezing and it was plenty warm at times almost too warm.

I am guessing I could go close to 0 with that set up. I have used the WM bag down to -5 with no problem by itself but it would be very awkward to use the bag in the hammock. I do wish the pads were a little wider as every time I got a little gap between the pad and the sleeping bag I would get a cool spot. Simple enough to fix just shift or tuck the bag around like you mentioned.

stonefree
05-09-2010, 20:03
i wasnt uncomfortable with my thermarest at all, i slept on my side so it was enough coverage. i was the last one up at camp my buddies had to shake me which never happened in a tent

i was still the first one packed up n ready to go while they were still folding there tent and what not

i would like to purchase a underquilt for winter but iwas super comfortable with the pad, i was thinking of getting a sheet for it so it would feel softer on the skin. but that would be my only complainant about the pad is the roughness, but im just being a baby

Shug
05-09-2010, 20:06
Have you tried an SPE (http://www.speerhammocks.com/Products/SPE.htm)?
Only way to go with pad/pads.......
Shug

stonefree
05-09-2010, 20:16
ill look but im saving up fot a jrb nest for my hh so ill hammoking funds are going there
thermarest should be fine for summer. i live in socal and summer nights stay close to 65 degrees

stonefree
05-09-2010, 20:19
i looked and those wings would make me feel cluttered and i wouldn't fall asleep.