ScubaPro Seawing Nova Full Foot Fins Built with a space-age Monprene elastomer that is virtually indestructible. Ergo-fit foot pocket is low profile to prevent chafing and blistering on the ankle and Achilles tendon. Extended toe box enhances comfort during extended bottom times. Power Rails under the extended footplate offer efficient power transfer. Proprietary G4 articulated joint allows the entire blade to pivot and generate thrust. Wing-shaped blade creates a near-perfect balance of stiffness and flex. Variable Blade Geometry wing tips arc upwards, providing more power and increasing stability. Pivot Control Technology ensures that the most efficient 45 angle of attack is maintained no matter how easy or hard you kick. A well-engineered heel pad, mid-sole pad, and rough surface design provide a dependable grip on slippery boat decks or dive ladders.