Hi rvneedsleep,
Latex is very elastic and “squishy” so it’s possible that the latex is somewhat bunched up inside the cover. If this is the case then you can reassemble your mattress and “wave” the layers into position so they are more relaxed inside the cover. How long is your mattress (measured in between the longest distance between the sides of the head and foot of the mattress rather than just across the top surface of the mattress)? While different manufacturers can have some variations in their standard sizing … the ISPA (International Sleep Products Association) standard measurement for a twin size mattress would be 38" x 74 1/2" +/- 1". If your mattress is somehow out of spec then I would give SleepEZ a call.
4.75 would be the density of your latex expressed as lbs per sq feet rather than the ILD. Some Dunlop latex manufacturers use density for their firmness descriptions rather than ILD. You can see some rough “translations” between density and ILD ranges for 100% natural Dunlop latex in post #2 here. This would only apply to 100% natural Dunlop because synthetic Dunlop would have the same density for the same ILD range.
This is also a density number rather than an ILD number.
The hips/pelvis area is the heaviest part of the body so it would be unusual to need less “support” under the heavier parts of the body which normally need to be “stopped” from sinking in too deeply to keep the lower back in good alignment.
There is more general information about this in the links I included in one of my previous replies in this topic about primary support and secondary support and the relationship between support/alignment, comfort/pressure relief, and “feel” and the different layers in a mattress.
One of my previous replies also includes more information about the different types of symptoms that people will often experience on a mattress and some of the most likely (although certainly not the only) reasons for them.
The information in your posts has become too complex for me to easily follow and find what I need in previous posts and I don’t have enough clarity or specifics about how the different combinations you have tried compare to each other so if you need any help with your layering experiments or would like some feedback it would be helpful if you could list all the layers in each layering combination you have tried (either from top to bottom or bottom to top) and then list the specific symptoms you experienced with each layering combination directly underneath the layering description starting with your first combination. It would also help to bold the layering combination so I can refer back to them more easily.
Once you have described your experience and actual physical symptoms on the first layering combination you tried then you can list all the layers for the second combination you tried (again in bold) and then describe your experience and symptoms underneath this one as well. It’s particularly important from this point onwards to describe how your symptoms change with each combination relative to the previous one (whether they get better or worse and if possible “how much” they get better or worse) because the only thing I have to go by to gain any insights and identify any possible “patterns” in your experience is with your feedback about how your experience and symptoms actually change from one combination to another. The changes between your symptoms with each layering combination is more important than just a description of that combination without relating it to other combinations you have tried.
Once you have finished the second combination then you can list all the layers in the next combination you tried and repeat the process for each combination etc. If you start each section of a post with the specific layering that you are making comments about (again bolded would be helpful) with your comments underneath it’s much easier for me to find the information I need and follow your comments and make more meaningful suggestions about the type of changes that may have better odds of success.
While it’s not necessary … it may even be worthwhile using only one post to discuss a single layering combination and your experience with it so that each of them are more clearly separated and I can follow your descriptions more easily without having to refer back to previous posts that contain more information that is “mixed up together” than I can easily follow.
If I have followed your posts correctly your first layer combination was (from top to bottom) 2" of soft Talalay on top of 3" of medium Talalay on top of 3" of medium Dunlop all inside a wool quilted cover and if this is correct then if you could post a detailed description about your actual physical symptoms and experience on this combination as a first reference point it would be the best place to start because I’m not clear about the physical symptoms you experienced on this combination. Then you can add a separate section in the same reply (or a separate reply) about your experience on each subsequent combination. This will help to simplify your posts (which have more information than I can easily follow) and help me identify how your experience changes with each combination which in turn may give me some insights into the type of changes that may help.
I realize that this may take some time and you may need to go back in your memory about each combination you’ve tried but it’s the only way I can make any meaningful comments that include any specifics rather than just general comments that may not apply to any specific layering combination.
Of course if you prefer to just experiment with different combinations and then let us know how each one worked without needing any comments or suggestions from me then that would certainly be fine as well.
Phoenix