Originally Posted by jarcher
Is there any reason, other than risk of theft, not to store cushions in the boat over the winter? I was thinking I could just prop them up so air could circulate...
That's what most people do, as to mold and mildew - you mileage may vary.
It helps if you have solar powered vents or some other way to keep air circulating over the winter, same as it does over the summer.