Generate correct propulsion in all four strokes with the FINIS Positive Drive Fins! The unique asymmetrical blade design promotes a natural inward supination kick style for butterfly, backstroke and freestyle. These fins increase leg strength, foot speed and ankle flexibility.

• Great for individual medley training
• Adjustable heel straps for a customized fit
• Ergonomic foot pocket comfortably places feet in ideal swimming position
• Unique ellipsoidal blade generates correct propulsion for all 4 strokes
• Closed toe design provides superior energy transfer from leg to foot