Aqualogix All Purpose Hybrid Resistance Fins - Pink (5" Blades) - The patented All Purpose Hybrid Fin is the newest addition to our line of functional aquatic resistance equipment. The All Purpose Fins are medium resistance, providing a great balance of good resistance for knee hinge movements and also long lever hip articulation. You achieve results with high speed water exercises, dynamic neuro-muscular training, athletic performance training, resistance swim training, rehabilitation and injury recovery pool training. Also a great tool for combining resistance and drag to your swim training.