Welcome to the site. I too own a 2018 Thor Fourwinds 28z. It is the perfect size for us. We have 2 Great Danes that love traveling with us. They sleep on the jack knife sofa and that is where they sit while we are driving. Our children and grandson have used the overhead bunk but I had to put a 2” gel foam mattress and padded mattresses cover up there to make it tolerable. I also put a 4” gel foam mattress topper on our queen bed. Hope you enjoy your RV as much as we do!
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