Zero to Immovable Resistance: Calibrated for easy adjustment with the twist of a tightening cap within seconds

Fitness Oriented Fin: Increase leg strength and builds cardiovascular conditioning

(1) Barbed Outlet for direct attachment of oxygen tubing

Swim top designed for the active lifeguard

Cressi Agua Short Swim Fins Size:M 8/9 W 9/10 Zero to Immovable Resistance: CalibratedTrain your hardest with the Cressi Agua Short Swim Fins. A smaller successor to the popular Agua fin, this swim fin features a durable blade for powerful kicks. Features Great swimming aid Durable blade for powerful kicks Above the blade, self adjusting foot pocket Offers incredible flexibility and comfort Ideal for any level of snorkeling and swimming Non vented blade Full foot design Please note: Fins are based on shoe size