I don't get it. They seem as heavy as a typical hard shell kayak without any enclosed storage to make them useful for trips. I guess you could strap a drybag to it. Doesn't seem like you surf with them. What do people use them for?
Here's one I picked at random in case you're unfamiliar: http://www.backcountry.com/boardworks-shubu-inflatable-paddle-board

