She mentions the male version with a zip on the front. How does that work, do you just unzip, haul it out and have a go in the freezing cold sea? Don't you fill up the suit with sea?
It is however fairly uncommon today to see people with such zipper since zippers tend to be the first place a drysuit start to leak.
Underwater, men have similar choices – holding it in, wearing a diaper, or a condom catheter (similar principle but without the need for such precise and thorough glue application).