original one was humorous. reminded me of a pull out bed. Purchased a bed in a bag that was supposed to swell out, it did but not completely, kind of lumpy.So, I did see a combo memory foam with coil ...
We replaced the mattress in our RV after 9 years of use. The original was high quality, pillow top and inner coil, but it wore out. We replaced it with a Wilderness Montana hybrid pillow top with inner individually wrapped coils. It is high but very comfortable, and we have no regrets.