Hey Suzycol,
Thanks for your question

.
Could someone at Nest give me some more details as to exactly what their TitanChil Endurance Foam® is? I've already emailed Nest and asked them what the density was and they replied: The plush will be 13 ILD, the medium will be 18 ILD, and the firm will be 28 ILD.
In the "Product Specs" tab from NB's site, The Alexander Hybrid's comfort material is referred to as memory foam
(Benefits> point 4)
You can learn more about Nest Bedding's model's specs from their TMU directory listing> Specifications tab
here
. TitanChil Endurance Foam® is a proprietary memory foam with a 3.5- 4 lb per cu. ft. density. The ILD ratings above indicate the degree of comfort feel you can expect, while the density measures weight and how much material is used; the higher the density, the more durable and longer-lasting the foam. TitanChil Endurance Foam® carries the
CertiPUR-US
certification that tests for harmful substances and VOC's and is used for polyurethane and memory foam materials.
I am trying to determine which density to choose for each side of a split king. Me: 5'6" 170lbs side sleeper/snorer. Spouse: 5'8" 210lbs back sleeper/GERD. I've decided to go with the Alexander Signature because I like the pocketed coils hybrid with foam. For me, I need major pressure point relief so i need a softer comfort layer. My spouse would most likely be one level firmer than me. Does anyone have recommendations on which density I should choose for the both of us? Thanks.
What mattress are you currently sleeping on and how old is it? Have you enjoyed its performance overall or would you change anything regarding its comfort and support feel? Choosing a split firmness hybrid will give each of you a variety of comfort options to choose from, and the Nest site also offers guidance on which firmness may be better suited for you. With your side sleeping preference and pressure point relief needs, a plush firmness may serve you better, you should find that more conforming to your side sleeping profile. Your husband's higher BMI and back sleeping preference may work well with a firmer, more supportive feel for his back and lower lumbar area. If you have any questions about understanding the ASH's firmness, it is worthwhile to online chat or call Nest's customer support team, they would be happy to help guide you through the decision-making process. You can also ask them questions on the forum, they are currently offering TMU consumer subscribers a special discount code as a Thank You for asking a question and supporting
TMU's trusted member program
. Hope this helps

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Sensei