equally as VB requires watchful thermal management, it’s also pretty attainable to control the level of humidity buildup in a very non-VB sleeping method by preventing overheating. In that regard, your position about sporting more insulation layers underneath your sleeping bag is properly taken: that extra layer results in an additional temperature gradient amongst you and the insulation in the bag, creating condensation inside the bag (as well as with your layers) far more possible. I’ve found that, In most cases, trusting the bag to keep you warm right down to its “comfort ranking” with negligible or no layers, as challenging as it may feel whenever you initial go into a frigid tent, pays off in the long run, and will usually end in a snug evening’s slumber while not having to manage a damp VB liner, and with little or no condensation In the bag.
Mexico’s Copper Canyon, exactly where I information, is so deep that there are some orange and banana trees in the bottom -and occasional snow on top rated in Winter season. So I have gentle clothes but threat arising to meet a snowstorm. I dress in sandals but carry plastic luggage and large socks just just in case, to stay away from frostbite from the worst scenario state of affairs.
I believe I’ve located a European-based mostly cottage market maker of sleeping baggage to construct the bag once I’ve picked resources and settled over a rough design.
In spite of everything, how Lots of individuals Are you aware who go on Winter season visits for each week or extended? And 2nd, the defining attribute of VBL’s—their lack of breathability—completely contradicts what people are often instructed they want in outdoor performance machines—breathability—and thus The dearth of intuitiveness keeps organic and natural desire very low.
Because the temperature throughout your sleeping procedure isn't continual, but fairly a gradient, the dew level will Similarly certainly be a gradient, and if condensation will occur within your bag will rely equally on that gradient and on the level of dampness getting into the process (i.e. how much you are perspiring), in addition to the porosity in the outer sleeping bag fabric.
One more question/recommendation i have is this: can it be really necessary to have on VPL pants even though transferring? my legs hardly ever get cold. as a result, i rarely don any insulation on my legs whilst relocating (other than some midweight foundation layer bottoms). I could picture a method where i do all my significant output routines donning merely a base layer and also a breathable shell layer on my legs. the moment i prevent and uncover the necessity to placed on my down trousers or go into my sleeping bag, i could toss on a pair of rain trousers as being a VPL. This may probably keep away from all the mobility troubles that come with an absence of stretchy VPL fabrics. I'd personally recognize your feedback on the topic. many thanks
generally to people who are owning hassle maintaining heat with the standard breathable strategy. and reporting some of my terrific outcomes, IOW acknowledged point about what transpired, not idea. ( all even though at the least one has explained he would not trust me as well as handful of others that have claimed equivalent good results).
two) YOU must continually work toward the aim of being heat and dry. you'll be able to be soaked, providing you’re heat. you'll be able to be chilly, provided that you’re dry.
On heat days before moving into the drinking water a damp go well with is an extremely unpleasant, sweaty, terrible experience. entering into even icy water was welcomed.
This is able to make it possible for me to only utilize a VPL After i bivy for that night. I haven’t yet tried out this; so the results of donning a VBL all day might not be as significant as I feel. as a result, i will require to carry out some screening this coming Winter season having a set of non breathable rain trousers. yet another factor. the place is an efficient resource for a PU-primarily based coating much like the 1 you describe? I've a training jacket from Mountain Hardware which weighs only 3 oz still is non water-resistant. Im pondering it could make a perfect ultralight VBL major if i have been to include such a coating to the inside of the fabric. Many thanks
Don’t allow your self to become cold AND damp. That currently being claimed, you are going to invariably fluctuate among becoming warm and damp to staying chilly and dry. So, here’s a state of affairs:
What’s the significance of synthetics? Is there A different system at Participate in here, and does the use of a VBL tumble into that scenario much too? (to the smaller diploma of importance not surprisingly, considering that perspiration from the bag can be minimized.)
First, thanks for your time exploring, experimenting, and publishing your conclusions. I'm new to mountaineering, two many years, and portion hiking the AT. I seem to be gravitating to off-year climbing avoiding the crowds. I hiked get more info the very first weekend in March at about 1500′ in sleet and slept within a 30 degree down bag, REI Bivy, with my artificial base layer and wakened three:00 each morning mainly because I had been damp and very chilly. The bag was wet on the skin, my base layer was damp on my pores and skin and inside the bivy was slippery damp. Luckily for us, I was in the vicinity of a town and was ready to really make it into a laundromat and dry all the things that morning. very last year, I hiked Vermont for every week in late August underneath moist disorders, toes have been damp The complete time but was donning wool socks And that i never ever felt unpleasant.
What would you recommend for common heat sleeping compared to the actual summit press the place You can find much more exertion, it’s even colder/windier and it’s much tougher to drop levels easily. getting a tricky time working out what my procedure must be.