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almost certainly won't ever do those sort of winter trips again as obtaining a bit aged now but I'll look at carrying a vbl liner when backpacking summer months into autumn since the temperature gradient in Scandinavia then can unpredictable and very steep some decades,

I recognized that regardless if I wasn’t sporting another gloves around them my fingers were being significantly warmer to the degree that might not be accounted for from the puny insulation of a thin layer of latex, also I could mess With all the chilly steel stove without the need of it sticking to my fingers.

This assumes that the perspiration doesn’t strike the dew stage as it truly is passing throughout the bag, through which case it'll condense on to the insulation or perhaps the shell fabric. Fabrics that breathe as such, even in a restricted price, don't purpose as vapor barrier liners. A VBL cloth performs more like the 30D silnylon that you are planning to use for any flooring — it is water-proof although not breathable.

Your knowledge of these fabrics is inaccurate. both equally are classified as “water-resistant-breathable,” that is a smoke-and-mirrors term for a material that supposedly prevents humidity from passing through it although also permitting humidity to go through it. Huh, what? That’s named internet marketing. In fact, these fabrics do breathe, albeit not virtually in addition to, say, a foundation layer shirt or maybe the light-weight shell fabrics the thing is on most sleeping baggage currently. So after you perspire at nighttime, this perspiration will pass through the inner material, into and hopefully through the insulation, and through the outer fabric, where by it's going to evaporate.

I have seal skins socks, which I assume would get the job done? How about a balaclava? I wear all garments to bed and genuinely just wish to winterize my zpacks 20D quilt and setup. Thanks! -H

Sorry, I couldn’t resist. it's possible anyone else has information regarding new suppliers carrying the products.

I do know which a single I often selected when there is any probability of not remaining heat ample for various nights Together with the insulation I have with me. Or, if I am just needing to cut back insulation bulk and body weight and ensure I don’t loose loft night time immediately after night.

MB1 on could 22, 2014 at seven:forty three pm initial Variation of VBL-bag constructed (nevertheless it has nonetheless for being put in real hurt’s way); silnylon interior and Pertex Endurance outer. Lofts well adequate and weighed a similar in the morning immediately after I put in the night time camped out on amongst my balconies because it did Once i strike the sack 8 several hours earlier. I tried it out on an evening I'd a flash fever from some flu-ish bug.

My sleep method weighs in at below 3 lbs and I've slept less than The celebrities in beneath zero weather without problems. All as a result of a VBL!!!

I feel that VBL’s can be quite a significant and pivotal element of winter clothing and gear systems—and, to a lesser degree, shoulder-period units. sad to say, There exists not Substantially information and facts available on VBL’s—an internet lookup returns information that is generally out-of-date, incoherent rambling, or mistaken.

following a couple of years I adjusted into VB clothing and haven’t modified the thought because, just extra several tweaks; warmer lighter bag, VB headgear,at times a ‘formed’ tarp. The combo of VB layer and biv sack keeps the sleeping bag or quilt dry and clear, Even though you bump from a frosty tarp.

I feel it is a really appealing topic mainly because it appears unresolved and perhaps Most likely subjective rather than scientific… for the reason that;

Which Together with the VBs below wool socks and Polarguard booties, and inside of my 30F quilt’s foot box, were being clearly about heating(all evening) even at 6F. But I did not want to come back out of your quilt and handle that, so I just slept with wet- but really heat- feet. After i arrived out in the VB socks next early morning, they had been damp, but not as soaked as they felt, and dried swiftly. On that evening, I utilised my water-resistant breathable rain pants like a faux VB, which individuals declare will function. actually, SWL swears it's going to operate. both my legs do not set out A lot vapor, or it labored sufficiently, as all my insulation was bone dry. I even weighed everything and there was no measurable fat attain or loft reduction as will be anticipated from condensation.

But I believed your complete thought was for being non-breathable and entice any dampness That may arise(vapor or liquid sweat) in an effort to hold it out on the insulation? I feel so far as a VB perform, it might get the job done just great. They last For some time in my HHSS, but almost certainly wouldn't past read more lengthy like a bag liner, as identified.