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Disappointed in St Dormier mattress cover

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20 Dec 2013 00:15 #1 by beanbag
I bought this as part of my new latex bed "system". It turns out this cover is only a very thin layer of wool wedged between two puffy terry cotton covers. According to the tag, there is 16.4 oz of wool per queen size cover. That calculates to slightly less than 150g/m^2, which is what you will find in a THIN wool base layer shirt. To be honest I was expecting a lot of puffy wool to give that wool goodness.

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20 Dec 2013 01:54 - 20 Dec 2013 02:09 #2 by dn
Hi beanbag,

It is light, at 7.5oz per sq yard / 250 g/m2
www.stgeneve.com/products/Protectors/Mat...Dormeir-mattress.htm

What it is, however, is very thin so as to not interfere with the feel of the latex or other material mattress you put it on, which is a key feature and why many like it. It's one of the few wool products less likely to significantly change the feel or performance of the mattress. If however, you were hoping for a wool mattress pad or wool topper, the st Dormeir definitely isn't it.

(I have st Dormeir pillow protectors, which is the same material).
Last edit: 20 Dec 2013 02:09 by dn.

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20 Dec 2013 02:04 #3 by beanbag
So how come mine calculated to under 150 g/m^2?

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20 Dec 2013 02:19 #4 by dn
Now that is a good question ... I calculate about 3.70 sq yards for a queen top surface. The st Geneve website says 7.5 oz per sq yard. I'd expect 27-28 oz of wool. I don't know. Either the tag is wrong or the marketing wrong or some other explanation.

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20 Dec 2013 09:50 #5 by Toro
Beanbag:

I have also just purchased the St. Dormeir mattress protector. The information I gathered before the purchase is fully consistent with DN's comments. But I have not measured the amount of wool in the one that I received.

I found the St. Dormeir to be very good in terms of temperature regulation. But I was surprised at the degree of interference with the feeling of the latex (and potentially pressure relief). Naturally, the impact in terms of temperature regulation and perceived interference with the latex are personal experiences..., and my experience cannot be extrapolated to somebody else. But, just as Phoenix taught us, there is a trade-off involved in every element of the sleeping system.

Independent of your final findings regarding the amount of wool content in your protector, you may want to evaluate which variable you want to maximize with this element of your sleeping system. This may help you decide whether your current protector has too much or too little wool.

All the best and hope you find the right mattress protector for your needs.

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20 Dec 2013 13:04 - 20 Dec 2013 13:08 #6 by Phoenix
Hi beanbag,

I would echo the comments that have already been made and the goal of a mattress protector (unlike a mattress pad or a topper) is to protect the mattress from moisture, fluids, and skin particles while having the least possible effect on the feel and performance of the mattress. As Toro mentioned there are tradeoffs between the different types (effect on the mattress, degree of water resistance, and temperature regulation).

I'm curious about the tag though because as dn mentioned the queen should have in the range of 27 - 28 oz of wool in it. The number you mentioned would be the amount that would be in a twin.

I almost sounds to me like the wrong tag was somehow attached to the wrong size protector.

I called St Dormeir and they suggested that you email them at info@stgeneve.com (and it may be helpful to attach a picture of the tag) and they would look into it for you but it doesn't sound right to me.

Phoenix

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Last edit: 20 Dec 2013 13:08 by Phoenix.

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21 Dec 2013 00:24 #7 by beanbag
Thanks for actually calling them. I send an email thurs night, and didn't get a response yet.

There is no chance that this is the wrong tag.
Attachments:

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21 Dec 2013 10:52 #8 by Phoenix
Hi beanbag,

Your tag indicates queen size (60" x 80") so it seems to me that either the amount of wool listed on the tag or the description on their site is wrong. It will be interesting to see what they say when they reply to your email.

Phoenix

Researching for a mattress?... Be sure to read The Mattress Shopping Tutorial.
Click here for TMU Discount Codes if purchasing from Our Trusted Members.
For any mattress questions Ask An Expert on our forum

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13 Jan 2014 20:55 #9 by GW208
We are interested in this cover also. Did you ever get a reply from ST. Dormier?

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14 Jan 2014 23:28 #10 by beanbag
No. I guess it is time to call.

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