ok its very very cool but i think it needs its own name. what are ya gonna call it?

i am wanting to get a pair of alden boots but i wear a 5E 9.5 i was told they could special make up to a 5 E size but the problem being that my feet dont round off much at all, if you can imagine a 9.5 flipper thats my foot( and yes i can swim very fast, i can almost get on plane) i was wondering if...