Memory foam effectiveness?

[Scarlett]

I can't afford a Tempur but have just bought a memory foam mattress. It has 12cm of memory foam and a further 8cm of different foam. However! They have just delivered me a different one which has 2cm soft memory foam, 7cm of memory foam and 11cm of other foam. This mattress has less memory foam than I wanted but is actually more expensive on the website. The company said to me that after 8cm, the memory foam starts to compact on itself and so 12cm is a bit pointless, and I would be better off with 8cm.
Is this true?! Or are they pulling a fast one?
Does anyone have a memory foam mattress with a top layer of memory foam and a lower layer of other foam (they come vacuum packed) and if so, how do you find it?! THANKS

[Old_Geezer]

I'd be suspicious that one is better off with less. I might possibly buy the idea that diminishing returns mean the extra bit is not so important.

Seems to me you have a right to get what you agreed to buy, and they have no right sending a substitute without clearing it with you first (do they hide reserving this 'right' in the small print somewhere ?).

IMO a few inches worth is sufficient but if you wish to demand you get what you paid for or a refund then I'd suspect you'd have a good case.

[weecalf]

Had a memory foam mattress but it kept forgetting me

[diddlydo]

What's wrong with an ordinary mattress?

[Old_Geezer]

You wake up with more aches and pains with an "ordinary" mattress.

[alan-r]

yes i have 4" of memory foam 2" of standard and yes it does compact eventually specially where you backside rests

[alan-r]

to add yes it very comfortable
i'd never go back to ordinary type

[Scarlett]

Thanks- but what I really want to know is- is 9cm of memory foam BETTER than 12cm?! The man in the shop said it was but I don't see how that can be true!!

[woofgang]

Doubtful, that 9 cm is better than 12. Tempur "wrote the book" on memory foam, go and see what their website says. Me I would be wanting what I had ordered!