Not over 3in….Don’t know what the stock dims are. But I went back and forth with Duke and he’s seen me surf a few times so he came up with the sizing for me. Here are the dims on the big one. Like I said, combine these dims with the rocker it has and you’ve got a great paddling board that’ll get you into pretty much anythingHow about how thick they are. Are yours stock dims? At yours sizes, they're both over 3"