If you want to extend the season of diving for the whole year and not limit yourself just because of the fact that water has already become cool, do not stop your choice on only the tropical seas, and I want to dive into any body of water regardless of the water temperature , then the choice is obvious, you just needed a dry suit. The course dives in a dry suit you will understand how to choose their own costume, learn a comfortable and safe techniques for diving in a dry suit, will understand what additional accessories are used during the dives in this type of costumes, make out all the contingencies that may arise during a dive , as well as on their own experience, make sure that water can still get away.