The Agua is a very easy-to-use snorkeling fin that does not require special skills and at the same time gives excellent performance without straining your feet. The foot pocket is made using the last technology, called Self Adjusting Foot Pocket System, which ensure a perfect fit to different shapes of foot. A truly light fin that s an excellent performance without tiring your feet. Durable blade for powerful kicks. Light weight, excellent reaction and comfortable fit are the most appreciated features of this Cressi fin. The Agua is designed and manufactured in Italy by Cressi, an Italian brand pioneer in scuba diving, snorkeling and swimming equipment since 1946.