About this item

• Stiffer & Heavier: Ideal Fin for Dry Suit Diving
• Higher Density Material than Standard RK3
• Of course! Please provide the lines you'd like me to modify, and I'll help you rephrase them while maintaining their original meanings.
• Produces Stiffer Blade, Providing Additional Power-In Heavy Currents or Surf
• Designed-In Collaboration w/US Military
• Heavier Compound Makes-It Negatively Buoyant