Zenbivy Bed?

[ResearchinStuff]

light bed 10 degree for me. pretty sure the differences are in the face materials and the fill (synthetic vs down)

 

[geriggs]

I just bought the light bed 10 deg to go with the same quilt


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[grappling_hook]

Do these systems work with mummy-shaped pads like the standard Therm-a-Rest XTherm , or do they require a rectangular pad like the Therm-a-Rest Xtherm Max?

 

[ResearchinStuff]

Either

 

[grappling_hook]

The new ZenBivy Ultralight Quilt has some improved specs that are approaching specs of the leading quilts. Here's a comparison to the EE Enigma and Katabatic Palisade, Alsek, and Sawatch with similar temp ratings (quilt only; definitely note that Katabatic lists comfort ratings, ZenBivy and EE list limit ratings). All of these are 54" width at the shoulder and 40" at the foot box:

 

[westsloper]

The zen bivy is an excellent product. I currently have and use a Big Agnes Sidewinder sleeping bag that I like a lot. It's an excellent design that suffers from poor loft compared to better brands and a few other quirks. I sleep well in it and recommend it to side sleepers. Not saying it's a better option than the zen bivy, but it's another option to consider. Choices are a good thing to have.

 

[dlee56]

Has anyone had issues with the light or ultralight sheets coming off the mattress? Seems like an easy way to cut weight but I like the idea of having the mattress fully enclosed like with the core sheet.

 

[ResearchinStuff]

i have the 2023 style light sheet, which fully encompasses the pad. for a variety of reasons, including never having skin on pad contact, and providing full enclosure to preclude slippage, i think those older sheets are a better design. That being said, my kids have a nemo bag that just slides down about half-way over the pad, and it stays attached just fine.

 

[b2one]

I use the newer light sheet on both a Nemo Tensor pad and an Exped pad. I have never noticed any movement of the sheet on the pad, and I am a side sleeper that switches sides multiple times a night. I sleep in the Zen Bivy set up (10 deg. light quilt) every bit as good as I sleep at home.

 

[Coopsdaddy]

Is the ultralight worth it over the core?

 

[josiahv]

Is the ultralight worth it over the core?

I have the light 10 which is a nice middle ground between the core and the UL in terms of weight/bulk/cost.

If I was purchasing again, I would probably save up for an ultralight 10, but only because I am so happy with the system and feel like the investment would be worth it in the long run due to the comfort/warmth of the system for me and my inability to sleep comfortably in more traditional systems.

 

[TimberHunter]

For people that get cold easily like me (my legs/feet get a little chilly in a 10 degree marmot bag when it’s 26 degrees outside) would it be safe to assume I’d freeze in this system?


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[b2one]

I have a 5 degree down Marmot bag - but I think the 10 degree Zen bivy bed "feels" warmer... I know that is purely subjective, but its hard to describe. FYI if your Marmot bag is a synthetic, I would question whether it is still a 10 degree bag as synthetics lose initial loft. As mentioned before, if you havent tried boiling water, pouring it into a nalgene bottle, and putting that in the bottom of your bag, you are missing out on about 4 hours of heavenly warmth by your feet. Another trick is buying a pair of 3 oz. down booties for your feet to sleep in. People are all different, but there are lots of ways to extend the comfort range of a sleep system.

 

[b2one]

Also - don't overlook your sleeping pad - does that have enough insulation to keep your legs warm?

 

[TimberHunter]

I have a 5 degree down Marmot bag - but I think the 10 degree Zen bivy bed "feels" warmer... I know that is purely subjective, but its hard to describe. FYI if your Marmot bag is a synthetic, I would question whether it is still a 10 degree bag as synthetics lose initial loft. As mentioned before, if you havent tried boiling water, pouring it into a nalgene bottle, and putting that in the bottom of your bag, you are missing out on about 4 hours of heavenly warmth by your feet. Another trick is buying a pair of 3 oz. down booties for your feet to sleep in. People are all different, but there are lots of ways to extend the comfort range of a sleep system.

I bought the bag new last year, some crazy $600 bag for like $150. It’s a 800 fill goose down bag

https://www.marmot.com/equipment/paiju-10-sleeping-bag---long/AFS_889169580673.html

I have been trying to find a pad I like. Have a static V sleeping pad with an r value of 1.9 per reviews (listed higher). Tried a 3” thick air pad with R value of 5 and I don’t sleep good on thick air pads because I’m fairly light weight

I’ll give the hot water a try!


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[b2one]

Try that and also try deflating your 3" pad a little bit. It doesn't have to be inflated until its taut.

 

[josiahv]

For people that get cold easily like me (my legs/feet get a little chilly in a 10 degree marmot bag when it’s 26 degrees outside) would it be safe to assume I’d freeze in this system?


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One big thing for me in addition to the others already mentioned was to ensure my socks/long johns were not too tight. I feel warmer with no socks than with tight socks.

Also a Xtherm or similar pad makes a huge difference in the cold.

 

[ResearchinStuff]

I bought the bag new last year, some crazy $600 bag for like $150. It’s a 800 fill goose down bag

https://www.marmot.com/equipment/paiju-10-sleeping-bag---long/AFS_889169580673.html

I have been trying to find a pad I like. Have a static V sleeping pad with an r value of 1.9 per reviews (listed higher). Tried a 3” thick air pad with R value of 5 and I don’t sleep good on thick air pads because I’m fairly light weight

I’ll give the hot water a try!


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you were right at the comfort limit foryour bag, with a pad that is inadequate to achieve the rating of any bag (R5.38). That's why you were cold.

How Do Sleeping Pad R-Values Affect Sleeping Bag Temperature Ratings? - SectionHiker.com

When people complain to me that their sleeping bag isn't warm enough, the first thing I ask them is

sectionhiker.com

 

[TimberHunter]

you were right at the comfort limit foryour bag, with a pad that is inadequate to achieve the rating of any bag (R5.38). That's why you were cold.

How Do Sleeping Pad R-Values Affect Sleeping Bag Temperature Ratings? - SectionHiker.com

When people complain to me that their sleeping bag isn't warm enough, the first thing I ask them is

sectionhiker.com

Good to know! Thanks, I wasn’t aware that the bag was rated based on a certain r value pad

Maybe I don’t get cold like I thought!


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[geriggs]

Lite 10 here and I love it. No issues on tensor LW. Best sleep system I have found for my big ass


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