The first sample lying on the floor they seemed too tight and very springy. (Rombo-Therm above)
Disappointment spread.
I then placed the mattress with the 3D cube interface-side up on the adjustable bed base and was thrilled.
This site is relatively soft and you sink deeper. The somewhat hindered the nocturnal movements and makes the erection.
But is very comfortable.
Important to me: No more painful pressure on my shoulder problem.
After a night very satisfied. Significantly less shoulder pain.
On the second night "Test Sleep" with the Rhombo-Therm-side up.
Perfect! A little harder, but no disturbing pressure.
Movements fall significantly lighter.
Nice to see that you can choose.
It is striking that the mattress is very thick and very warm.
The old latex mattresses are disposed of quickly.
Addendum:
For all those mattresses are too soft viiiiiil.
After about 1 week, they have become much tighter. But not uncomfortable.
The Stiftung Warentest should check not only the smell, but also the hardness again after a month.
Smell I have minimal detected after unpacking on the first day.
So do not send back prematurely.