first of all, I may not be entirely sure but I do not remember him wearing a at the very least the coat to the suit
second of all, if that is the case, why did the suit and tie burn exactly right down the middle
and third, why did the suit not just become like any other clothing that has been burned - i.e a smoldering pile of nothing
at the very least something to cushion his fall especially since he glides around very high a lot