Cressi Maui FinsMaui Fins The principal characteristics of the Maui fin are lightness and ease of use, even for those without well trained legs. Its weight and dimensions make it easy to stow, but without compromising performance. The Maui has been designed with the same sophisticated and advanced finite elements technology used for the first time on the Impulse and Sprint models. The dual material technology used for the blade means that it is substantially composed