Aim for at least 6 inches for comfort. Anything less will feel like sleeping on the floor slats.
Folds twice. These require thinner, more flexible mattresses (usually all-cotton or thin foam). 4. Thickness vs. Weight futon mattress buying guide
The "feel" of your futon depends entirely on what’s inside: Aim for at least 6 inches for comfort
Invest in an 8-to-10-inch innerspring or high-density memory foam mattress for better support. futon mattress buying guide
I can then provide a that fit your specific needs.