The jacket(?) matches those used in the previous movies. Plus, it's smarter to have that than to try and have a Beast in just Speedoes running around in front of the cameras. It'll prevent them from having to use a shitty looking body suit for the upper body and legs.

whomod said: I generally don't like it when people decide to play by the rules against people who don't play by the rules.
It tends to put you immediately at a disadvantage and IMO is a sign of true weakness.
This is true both in politics and on the internet."

Our Friendly Neighborhood Ray-man said: "no, the doctor's right. besides, he has seniority."