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Joined: Oct 2000
Posts: 30,263
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Oct 2000
Posts: 30,263 |
Link: https://sectionhiker.com/the-new-sleeping-pad-r-value-standard-has-arrived/The article says: "You can use the table below to determine whether you’re looking at a product listing with an old R-value or one with a new R-value."If I'm reading correctly, I think the author of the piece misunderstands, or at least leaves the wrong impression. The pads have not changed, their R-values have been recalculated. Hence, on Thermarest's site, all the pads have been "updated." As far as I can tell, nothing about the pads have actually changed except the stated R Values through a new standardized process.
“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
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Joined: Oct 2016
Posts: 2,654
Campfire Regular
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Campfire Regular
Joined: Oct 2016
Posts: 2,654 |
^ Brad I think you are correct, possibly some minor changes to valves and the like, but the overall construction (and warmth) stays the same- just a different number assigned based on new testing protocols TR did pretty good on the testing- all the pads I own have all had their r-values bumped upward
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Joined: Jan 2006
Posts: 69,300
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2006
Posts: 69,300 |
Sounds like they're trying to keep up with the ISO standards for sleeping bags that were introduced in '17. They're very similar to the older EN standards but with a few changes. A standardized rating system for both pads and sleeping bags is very useful.
“In a time of deceit telling the truth is a revolutionary act.” ― George Orwell
It's not over when you lose. It's over when you quit.
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Joined: Oct 2008
Posts: 8,748
Campfire Outfitter
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Campfire Outfitter
Joined: Oct 2008
Posts: 8,748 |
At times it is a bit confusing the way he references old vs. new. But it is clarified in the article.
“ Why didn’t manufacturers or retailers just slap a sticker on existing inventory boxes to indicate an R-value change if the underlying product didn’t change? Your guess is as good as mine. Discounting existing products just because you need to change the R-value on the packaging (or the online product listing) is stupid.”
And in reference to Therm-a-rest, “ The only difference between the Classic pads and new pads is the valve and the way that the R-value was measured, not the amount of insulation in the pad. I know that’s confusing. The measurement methodology is all that’s changed, not the pads themselves (with the exception of the valves). I don’t know if that’s true of other brands though.“
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Joined: Oct 2000
Posts: 30,263
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Oct 2000
Posts: 30,263 |
Thanks PRM from bringing out those points.
“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
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Joined: Jul 2009
Posts: 9,238
Campfire Outfitter
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Campfire Outfitter
Joined: Jul 2009
Posts: 9,238 |
I use a chase lounger cushion and Cabala’s Outfitter bag and laugh at everyone else when I wake up in the morning to make coffee
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