Looking for a mattress for the bed of my truck for summer/fall camping. I have an ARE topper on it and tried foam last year. Too thin, bed got hard, etc. Anyway, I was wondering if any of you have a recommendation for a mattress that works good for you. I'm thinking that I'll have to go with air? (for the sake of collapsing it). Maybe not, I don't know. I have a Nissan Titan with a 5'-6" bed so I'm looking at the DAC Truck Tents ( https://www.amazon.com/DAC-Full-Size-Truck-Tent/dp/B007WT1GYQ ) to allow utilizing the tailgate down, for additional length. I've looked at the Airbedz mattress and really liked them until I read the reviews. 50% of them were not so good. I would like to maximize the width inside (to possibly sleep two) but then there is that inner fender issue, which is what made Airbedz look so attractive with their custom fit. Hmm........... Any suggestions? Advice on what to get or more importantly, what NOT to get?