<a href="https://en.wikipedia.org/wiki/Dry_suit" class="extiw" title="w:Dry suit">Dry suit</a> diving seals water out, allows the diver to wear warm clothing underneath, and is suited for cold water diving.
<a href="//commons.wikimedia.org/wiki/User:Atsme" title="User:Atsme">Atsme</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>