Hi Gomer,
I completely agree which is why I would always call any store you are considering visiting to make sure they can provide all the information here about their mattresses (or at least the ones you want to test). The stores that are willing and able to provide the specs you need will normally provide the information “on request” rather than have it listed on their website because listing too many specs can lead to confusion (which means lost sales) for the majority of consumers that don’t have any knowledge about the meaning of “quality specs”. Some stores will be able to provide this information about some of their mattresses and not for others.
One of the most frustrating parts of mattress shopping can be spending time testing a mattress and finding out that you like it and that it’s a good match for you in terms of firmness, “feel” and PPP only to find out that the mattress contains low quality materials and/or that information you need to identify any lower quality materials or weak links in the mattress or make meaningful comparisons to other mattresses isn’t available at all and you’ve wasted the time you spent testing the mattress.
While nothing has a 100% success rate … with a local purchase and for the majority of people … careful testing using the guidelines in the tutorial (rather than just testing for the more subjective “comfort” of a mattress which often won’t predict how well you will sleep on a mattress or how it will “feel” when you sleep on it at home) along with some good guidance from a knowledgeable and experienced retailer or manufacturer that has your best interests in mind will usually result in a mattress choice that is well inside a suitable comfort/support range and will generally be “close enough” so that if any fine tuning is necessary it would be relatively minor and involve different mattress pads, sheets, mattress protectors, or perhaps even a topper if a mattress is too firm (see post #4 here and post #10 here).
None of the “natural” latex in the industry uses synthetic polyisoprene so if you see natural latex it would always come from the tree.
All the synthetic or “man made” latex in the industry is Styrene Butadiene.
They would certainly make a great quality/value choice and if you are looking at 100% natural Talalay their current prices are lower than they normally are (they are normally more costly than the blended Talalay).
I’m looking forward to finding out what you end up deciding.
Phoenix