If you're a fan of traditional blade fins, the Jet Sport Adjustable will impress with its power, acceleration and maneuverability. Lightweight and comfortable, with a big, slightly stiff blade and a soft rubber foot pocket, this fin generates propulsive kicking power, provides good stability and makes efficient work of frog and dolphin kicks. The fin blades drag reducing vents substantially decrease resistance on both up and down strokes. The fin is easy to maneuver too; responsive in turns and able to back you out of tight spots with ease. Fin blade is construction from three materials which optimizes flex and comfort to achieve a high level of performance. The rubber foot pocket molds comfortably to your foot, and the strap adjustments and quick-release buckles make donning and doffing the Jet Sport Adjustable oh-so-easy. Fin weigh 3.55 lbs. (1.61 kg) and are available in multiple sizes and colors.