Just got this bad boy last month, I am loving it. Lucid Hybrid Memory Foam
Yep. Just found it:
LUCID 12 Inch King Hybrid... https://www.amazon.com/dp/B0774N97YT?ref=ppx_pop_mob_ap_share
Looks like inflation hit it though. Went up $60 since we bought one. Hope you find what you’re looking for!