Foot size and shape for sleeping bags/quilts

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Foot size and shape for sleeping bags/quilts

Postby Moondog55 » Sun 16 Aug, 2020 8:11 am

Round. Square. Something else?
Round ends are far more common and I would assume because it is easier to make and sew.
My personal preference is for a tall rectangle but I do have biggish feet and I don't move inside my bag, I drag my bag around with me as I change from side to side. No zipper in my bag.
Do people have a preference or is the shape and size of a footbox the last thing you look at when buying a new bag or quilt?
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Re: Foot size and shape for sleeping bags/quilts

Postby Zapruda » Sun 16 Aug, 2020 8:39 am

I’ve never had an issue with round footboxes on my bags. My feet are size US 11/12 depending on the shoe. I don’t see how a rectangle footbox would offer an advantage over a round one, in fact it might be less efficient if your feet end up on the short side of the rectangle during the night and compress the down.

I know Nunatak offer different size footboxes if you have exceptionally large feet.
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Re: Foot size and shape for sleeping bags/quilts

Postby Moondog55 » Sun 16 Aug, 2020 12:38 pm

Well if the rectangle is much taller than it is wide your feet don't touch the top of the footbox.
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Re: Foot size and shape for sleeping bags/quilts

Postby Moondog55 » Sun 16 Aug, 2020 12:42 pm

[quote="Zapruda"
]t might be less efficient if your feet end up on the short side of the rectangle during the night and compress the down.
[/quote]
That is why I said I don't move inside my bag, my bag moves with me.
My feet are only a tad bigger at a size 11/12 or Mondo 30 but I might wear bivvie boots in really cold weather and they'd add a good 50 to 70 mm extra length
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Re: Foot size and shape for sleeping bags/quilts

Postby stry » Sun 16 Aug, 2020 1:15 pm

I'm not fussed, as long as I have sufficient room. The premise of a rectangle being more efficient implies a snugger fit to realise that efficiency, and that could be counterproductive.

I have early One Planets which are squarish (I think) and WMs, which are roundish. I don't notice any difference but I do have dainty size 42 feet. :D

If I had to choose, I would prefer the footbox to be a little loose, for the reasons mentioned by Zapruda.
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Re: Foot size and shape for sleeping bags/quilts

Postby Moondog55 » Sun 16 Aug, 2020 1:24 pm

Early OP bags were a parallelogram, wider at the top than the bottom,I only know this because I've owned a few over the years.
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Re: Foot size and shape for sleeping bags/quilts

Postby stry » Sun 16 Aug, 2020 2:14 pm

I believe you are correct MD :D Mine fit that description IIRC.
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