Usually diving season entails being able to dive only in summer or late spring, when the water is warm enough. Being a good holiday fun, summer diving on the other hand excludes possibilities to face underwater world in its other states, especially when its changing. Dry costume driving enables a diver to experience marvelous underwater world during colder seasons at the same time preventing driver from catching cold. Dry costume diving courses involve learning how to use the costume and other techniques essential for this type of diving.