Originally Posted by
oldskoolwrench
hnsq,
The light garment bag idea works pretty good if you can figure out a way to strap it down with too much wrinkling. You could also try
this; a garment bag pannier.
Or, as others have mentioned, you could just ride with the suit on.
Something along this line is what I was thinking (The garment pannier). I did remember seeing one before, and it wasn't my imagination.