Next up are two layers of memory foam – a half-inch gel-infused memory foam lumbar crown plus a 1.5-inch layer of ... is a medium firm mattress, rated at 7.5-8/10 The Birch Natural is also ...

Patented lumbar zone quilting gives more lumbar support in the middle third of the mattress. Next up are two layers of memory foam – a half-inch gel-infused memory foam lumbar crown plus a 1.5 ...

I tested the 8-inch one and found it left much to be desired comfort-wise. Read on to find out which will better suit you. While it has its shortcomings, the Amazon Basics Memory Foam Mattress is ...