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Sleeping Bag Pads

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Title:
Sleeping Bag Pads

Word Count:
409

Summary:
Why sleeping bag pads? Because waking up cold and sore is no fun. It's also no fun to carry a three pound sleeping pad, so here are some better options.


Keywords:
sleeping bag pads, backpacking, backpackers


Article Body:
Sleeping bag pads are not one of the things you should cut from your list. Backpackers want to reduce their weight, but not even ultralight backpackers want to reduce their comfort. Still, who wants to carry those monstrous old inflatables down the trail? Try some of these lightweight options instead.

Make four-ounce sleeping bag pads, and sometimes carry two of them. Use the plain blue closed-cell foam pads available from any backpacking supplier. They are made larger than necessary, usually 24 by 72 inches. Just cut them down to a four-ounce size that fits your torso.

It should reach from your shoulders to your hips. You may want to cut the width a little at a time, testing for comfort as you go. The pad should be as small as you can make it, while still big enough to insulate your torso from the ground. A pillow of spare clothes can be used for your head, and your legs can be on your empty pack to insulate them.

Sleeping Bag Pads For Lightweight Fanatics

To make it really light, cut pieces out of the pad. Small holes in the pad don't seem to make it less comfortable. If you cut out a hundred little pieces of foam, you save an ounce and join the ranks of the fanatical ultralight backpackers.

Want to go even lighter? Leave the pad behind and try sleeping where the ground is soft. You can also pile up leaves or dry grass to sleep on. Do this where it won't harm the enviroment, and scatter the leaves in the morning so they don't kill the vegetation they're on. For fifteen minutes of work each night collecting materials, you can leave the sleeping pad home and actually be more comfortable. A thick pile of dried grass - now that's a nice camping mattress.

More Luxurious Sleeping Bag Pads

Want more cushioning? Inflatable sleeping pads are no longer out of the question for lightweight backpacking. The Big Agnes Air Core Pad from REI is a 3/4 length pad that weighs just 16 ounces and is an incredible 2 1/2" thick! If you've slept with Big Agnes, let me know how she is.

You can also find a few self-inflating pads that are reasonably light. The old Thermarest I sometimes use is actually only 21 ounces, but both Thermarest and others now have self-inflating sleeping pads that are under a pound. That's a lot of comfort for such lightweight sleeping bag pads.


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BONUS : Title:
Sleeping Bag Ratings - A New Idea

Word Count:
601

Summary:
Sleeping bag temperature ratings are determined by the manufacturer, but there is a better way.


Keywords:
sleeping bag ratings, sleeping bags, backpacking


Article Body:
It seems that sleeping bag ratings have no consistency. Temperature ratings are still determined entirely by the manufacturers of the bags. My 3-pound Sierra Designs bag, for example, was rated to 20 degrees. Honestly, it never kept me as warm as my 17-ounce Western Mountaineering sleeping bag, which is only rated down to 40 degrees. Isn't this a problem when you buy a bag? Maybe a 45-degree bag will keep you warmer than a 30-degree bag.

Consistent Sleeping Bag Ratings

No matter what temperature a bag is rated for, under any system of testing, it won't necessarily keep you warm to that temperature. We can't solve the problem of people having different metabolisms and bodies. A particular bag might be good for one person down to 20 degrees, while for another it is only good to 40 degrees. You generally can figure out if you are a cold or a warm sleeper, but that doesn't help if you don't know whether a bag is rated too high or too low.

You need to know that if a bag says 30 degrees it will keep you warmer than one that says 40 degrees. With that, even if you add or subtract 10 or 20 degrees for your personal tastes, you can still figure out which bag is the warmer one. How do we get this consistency?

Begin testing with any sleeping bag, by putting a bag of water in it that is human-sized, weighing perhaps 160 pounds. Have three standard sizes for small, regular and large sleeping bags. Always start with the water temperature at 100 degrees Fahrenheit, and measure how long before it drops to 90 degrees. External air temperature has to always be the same too, whther it is 60 degrees or 40.

The numbers are not crucial. What's important here is that once the standards are chosen, every bag is tested the same way, with the same conditions (even the temperature and material of the testing platform would have to be the same). This is what will give consistency to the sleeping bag ratings for warmth.

Now, if a bag rated to 40 degrees keeps the water above 90 for two hours, a bag rated for 30 would obviously have to keep it above 90 degrees for a longer time. Pegging heat-retention times to specific temperature ratings would be a bit tricky at first. However, once done, each new bag on the market could be submitted to the testing and quickly given a consistent rating. We would know that a lower rating would always mean a warmer bag, degree-by-degree. We could even have old bags tested to see if it is time to replace them.

Manufacturer Acceptance?

Would manufacturers pay a private testing company to have their bags rated? Some, at first, because it would be a an advantage for those companies who are already conservative in their temperature ratings. They would have "proof" that the bags are even warmer than they were claiming. Then, eventually, all bag makers would feel some motivation to have their sleeping bags tested, because consumers would be wary about buying ones that weren't tested.

I hope someone will take this idea and run with it. An existing consumer rating company, like Consumer Reports, could do this on their own and report the results. Even if they listed the bags without temperature ratings, but in absolute order by which held the heat in the best, it would be very useful. One could look at the list and if their current bag kept them warm to 25 degrees, ythey would know that any bag higher on the list would be warmer. Isn't it time for consistent sleeping bag ratings?


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