Adult Astronaut Costume Jumpsuit Silver Space Suit for Men with Embroidered Patches and Pockets

Can I wear it in the rain.. is it water proof?

Are patches removable?

I’m 5’2 and 190 lbs. i wear medium in shirts. Will a large be good for me ?

I am 5’7 and weight 190lbs. I also wear medium shirts. Will a large fit me or will it be too big ?