No,they're two separate methods.This is what I've learned from reading several threads:
The watershoes are glued to the bottom of the suit,but for the specifics you'd have to ask someone else who's more familiar with it.
The separate in- and outsoles should be able to be purchased at a local shoemaker with the appropriate glue.You insert the insole into the feet of the costume.You then apply the glue to the outsoles and allign the outsoles with the feet (have someone help you with this).Apply pressure as long as needed for the glue to cure by stepping into the suit with kung fu slippers/shoes of your choice.You will need them anyway to hide the contours of your toes when wearing the costume.