The Amerisleep AS5 mattress is a 14-inch-thick, all-foam mattress made with four layers: a dense base layer, Hive foam that acts as a transition layer, Active Flex foam for added cushion ...

Above this layer of memory foam is the main comfort layer which is what Casper calls "Breathe Flex Foam." The top two layers of the Dream Hybrid are essentially the same as on the Casper One ...

Above this memory foam layer is a layer "Align Plus Flex Foam" which is a layer only found in the Dream Max Hybrid. This foam also contributes to the zoned support design by working with the ...