Wiktionary
drysuit
n. An inflatable suit to provide thermal insulation to the wearer and keep them dry while immersed in water.
Usage examples of "drysuit".
So the Darth Vader Suit was built around a drysuit, which is waterproof.
The compartment is flooded during a dive and the drysuited passengers breathe air piped from the craft's onboard supply.
Then she saw, by the decontamination lock, a young drysuited human in a crowd of dolphins.
The pilot and navigator sit astride the cylindrical forward hull dressed in drysuits and breathing apparatus.
As the Megarite peeled off the close-fitting garment, Onami stepped out of the booth and gave her pachydermatous hide a clinical once-over, making sure the drysuit was proving effective at keeping it moist.