General recommendation for Firm Latex?

[phoenix]

Hi sonoflee,

A couple of questions: The Savvy Rest website notes that their model that would replicate this (6" tranquility?) is ONLY appropriate for sleepers under 160lb - as I’m pretty close to that weight, I’m wondering if this would lead to less durability over time? Would it be better, for longevity/preventing impressions to go with a 9" for any reason?

The issue with the thickness and weight recommendation would be more about the suitability of the mattress for most people than about the durability of the mattress. For most people in higher weight ranges a slightly thicker mattress would generally be a better match for their needs and preferences but since you are outside of the “averages” in terms of the feel and performance of a mattress that works best for you and prefer a much firmer mattress, a 6" latex mattress may work well for you. There is more about the effect of thickness in post #14 here but in very general terms a thinner mattress will be firmer than a thicker mattress (it becomes firmer faster as you compress it) so for you it may be well worth considering regardless of what may work best for others because what would be a negative for others may be a positive for you.

It looks like a lot of recommended retailers offer a 6 or 7" natural dunlop in firm configuration. Do you have any idea what the Savvy Rest “firm” designation translates to for retailers like Flexus or Sleepez?

Savvy Rest doesn’t disclose the ILD’s of their layers except as a very broad range and the ILD of Dunlop in a similar firmness rating can vary (see post #6 here about ILD) but a 3" layer that had a similar rating from Flexus or SleepEZ and was the same type and blend of latex would generally be a close approximation of Savvy Rest so outside of any smaller ILD variations or the effect of different covers, a mattress that used two 3" layers with a similar firmness rating and layer thicknesses would be a very reasonable approximation.

Any other words of wisdom would be great - again, we’re looking for a firm latex King mattress, and something that will hold it’s shape for a long time. I’d definitely pay more for something I believed could stay solid, with no impressions, for a long time.

Latex is the most durable of all the foam materials and regardless of the thickness … an all latex mattress would be among the most durable types of mattress in the industry and certainly wouldn’t have any weak links in its design. Regardless of durability though … the most important part of your choice would be to use your own careful and objective personal testing and/or more detailed conversations with a knowledgeable and experienced manufacturer/retailer to choose the specific combination of layers that is the most likely to be the best match for you in terms of PPP (see mattress firmness/comfort levels in post #2 here).

The advantage of a component mattress is that you still have good options available after a purchase to make changes to the mattress at a very reasonable cost if your experience indicates that it’s necessary.

Phoenix