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After much research of available hybrid mattresses on Amazon and other places, I decided to purchase this Inofia Queen 12" Mattress. I am a big guy I am 6'2 325 lbs. So, choosing the best mattress for me became a challenge. I am very happy that I made the right choice with this one...
Opening the mattress requires a little patience and planning. It went very well. It took about 24 hours for it to fully expand. There was no odor or bad smell at all.
I am mostly a back sleeper with occasional side to side. The mattress to me is both soft enough on top and firm enough in support to make it a real pleasure to sleep on. I would rate it as being medium-firm. The foam is perfect and the springs really do isolate your movements. I do not feel and springs below. The mattress has maintained its shape with no dipping spots where I sleep. And it sleeps cool! The top cover is very nice. I am very happy that it does not get hot.
The only negative that I have about the mattress is that it does not have side handles. I thought that it did based on what looked like blue side straps in the photos. It turns out that they are only a decorative piece.
Overall, I am very happy with this mattress and highly recommend it for large people like me. A lighter person may feel it as being a little firmer. But, I am now a happy sleeper!