Here's a couple I found? A couple 6x in hi vis yellow. Not my usual thing, in rain might not be bad idea.
https://www.jpcycles.com/product/550...roof-rain-suit
https://www.harley-davidson.com/us/e...E&gclsrc=aw.ds
https://industrialsafety.com/west-ch...hoCCtkQAvD_BwE
https://www.walmart.com/ip/First-Man...dSellerId=1148
https://industrialsafety.com/pip-205...-6x-large.html