Positive Drive Fin XL

Highlights

• Employs unique ellipsoidal blade to generate correct propulsion in all swim strokes
• Asymmetrical shape and adjustable heel strap allow the swimmer to safely build power in the breaststroke kick
• Short and wide blade design also promotes a natural inward supination kick style for backstroke, butterfly, and freestyle
• Uses an ergonomic foot pocket to comfortably place the feet in the ideal swimming position, and the heel strap to secure the fin, allowing the feet to flex more naturally
• A closed-toe construction provides superior energy transfer from the leg to the foot