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Montbell Super Stretch bag
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Mar 17, 2007 at 4:10 pm #1382669
Jonathan:
What's your height and weight?
Mar 17, 2007 at 4:19 pm #1382672What about taking the thermal sheet and removing the zipper and making it a bit more narrow? I'm tempted to try for only $122. Of course I've got 20 yards of $1 yard wallyworld fabric here working on quilt designs too…
Mar 17, 2007 at 9:33 pm #1382685I am 5'10" 170 lbs. I have also considered making a quilt but the fabric I got from Wal-Mart is so ugly, but it was $1.00 a yard. It is white and the grid pattern is black.
Mar 17, 2007 at 9:36 pm #1382686Johnathan,
For a few years now I've been using the oldstyle MB superstretch #5, which is equivalent to the #7 except that it has NO zipper and hence no drafts to contend with. It's so stretchy that getting in is quite easy. Early last Spring I was in the Cascades near Stevens Pass camped out on the snow (air temp that night dropped below freezing) and I was plenty comfy. I was inside an old REI Cyclops bivy and wore Terramar silk longjohns, wool balaclava, and wool socks. Also, I used a 3 oz vapor barrier liner. I own heavier bags but seldom use them, except when in Montana, as they overheat. The trick is to keep in mind that while sleeping you'll be transpiring lots of moisture through breath and skin pores, which the down will soak up and thus lose insulating effiency; that's why many people start out the night toasty warm and wake up a few hours later shivering. Anyway, that 1 lb. bag along with the rest of my "system" has served me well for some time now…figgure out what will work best for you!Mar 17, 2007 at 9:53 pm #1382689Jonathan:
You are definitely at the borderline for the slimmer cut Thermal Sheet. If I were you — then for a summer bag — I would just order both the TS and the No. 7 and try them out. If you don't move around much, then the TS can work beautifully and it is also amazingly ight — so definitely worth finding out. On the other hand, if you thrash around a lot, then either a No. 7 or even a Super Stretch No. 7 might be more appropriate.
Mar 18, 2007 at 6:58 am #1382716Just to clarify, all down #7s are Super Stretch. The synthetic #7s in exceloft come in S.S. or Alpine(inner stretch only).
It wasn't always this way. I have an old #7 Alpine zipperless which is SS.
Not trying to contradict you, Ben, was following your discussion and chimed in.
Mar 18, 2007 at 9:43 am #1382727Sorry, my bad. The non-super-stretch versions only come in No. 1, 3, and 5 — plus the Thermal Sheet.
Mar 19, 2007 at 1:43 am #1382785I finally got around to measuring the double layer loft of my 1-lb Montbell #7 down bag. At the baffles it's 10cm, in between baffles it is 13cm. Average of about 4.5". This is a 2006 725 fill power.
I did not fluff it up, just shook it like you would 'snap' a towel and layed it out. A good rule of thumb is 2" of single layer loft for a 20'F bag, so this bag can be pushed quite a bit lower than it's 50'F rating.
First week of May I'm taking it on an Alpine trip where lows are forecast to be 0'C. I'll report back. Of course, if I don't report back; consider that a report also..Mar 19, 2007 at 2:09 am #1382786Brett,
As you know, I'm a big fan of "all things MB", and do own a few MB bags (both "wimpy" 725FP and ExcelLoft – all SuperStretch versions – no Alpine). So, with this in mind to provide context for my following words…
Brett, we want you to come back. Please be sure to have a "Plan B", like some warm hi-loft clothes AND maybe a MB Thermal Sheet to use inside (or outside of the #7.
I anxiously await your report. I don't own a #7 in down, but I do in the synth (want to purchase one this Spring however – subject to other matters of which you are already aware; my MB Thermal Sheet is nice for summer, but i still like a hood when temps are merely cool or colder).
A #7 wouldn't work for me at those temps — 'pj-cicle'.
Mar 19, 2007 at 2:19 am #1382789pj, Thanks, I have contingencies; I will have my normal extra layer of thermawrap jacket and pants if necessary. My GF will be in a #3, and we will both be in a single-wall enclosed tent. So worst case we can nest the bags one inside the other and sleep together. Tested previously..
I do want to determine the limits of that #7 though.Also, I just made a post asking MYOG posters how I can join two bags into one big quilt?
Mar 19, 2007 at 8:09 am #1382806Sounds like an underhanded ploy to get your unsuspecting gf to snuggle in with you (or freeze to death)!
Mar 19, 2007 at 8:58 am #1382812Yes, she is a cold sleeper, so she will have little choice, and you know the old myth about sleeping bags being warmest when not wearing clothes. he he…
Mar 19, 2007 at 9:57 am #1382814>>"http://www.sleepnaked.org/"
Brett, where do you come up with these things? Was it Franco or Ben who sent you that link? 'Fess up, now.
Mar 19, 2007 at 9:59 am #1382815I have nothing to do with this perversion!
Mar 22, 2007 at 12:10 pm #1383200After a lot of thought, I am going to make a quilt prototype in hopes of ordering a kit from AYCE at Thru-hiker.com. The $80 for 6 oz of fill sounds good and I like down better than a synthetic. Thanks for all the help and answers and suggestions. Good luck with that sleep naked thing. I hope you don't plan on loaning that bag to anybody else.
Mar 22, 2007 at 1:01 pm #1383202My roommate sleeps naked… He usually goes to bed after I do and stays under the covers pretty well so its not too bad.
Anyway, I finished the down quilt kit recently and I love it. I would recommend the Kelly green fabric as it is very pleasing to the eye (looks like a JRB knockoff really). Good luck on the kit. I'm sure you'll love it once you're done.
Adam
Jun 12, 2007 at 9:25 pm #1392134I broke down and bought the thermal sheet. Even at 175 lbs and my 5'10" frame I have room in it. Anyone out there considering this bag will surely love it. thanks for the advice guys.
Jun 12, 2007 at 10:45 pm #1392142I see you've gained 5 lbs over the last few months. :)
Kidding aside, excellent choice! I love how the T.S. can be used alone — and how well it fits as a liner inside a regular MB bag.
Jun 13, 2007 at 7:08 am #1392155thanks for noticing my weight gain Ben :) The T.S. worked great as a quilt the first night i used it. I just zipped up a little to make a footbox.
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