So I'm bummed. I ordered the suit, and it arrived today. For the second time in four months, I have received a FirstGear garment with a bad zipper.
In this case, the lower slider on the left pant leg has an internal problem that causes it to jam.
I've requested a return.
I just had to return a pair of First Gear overpants for a zipper problem -- in that case, the left leg zipper was installed upside down, so there were no stops on the bottom, and the slider just pulled right off, and it's nigh on impossible to match the teeth back up by hand.