Ben made a very functional version and he explained how it would work perfectly for swimming with sharks!
Later, while Dad grilled dinner, it began to rain a little and Ben and Conner used this opportunity to grab their umbrellas and play in the rain! (And, yes, their shirts are on backwards... been like this all day. Conner started the trend this morning, telling me "this is just the way it goes" and Ben followed along. I don't know...)