IST Deep sea scuba diving military fins - rubber rocketHigh Grade Material For reliability and durability that you can count on, the IST Rubber Rocket fins are the only true choice. Strong rubber material won't wear out or lose its stiffness, and the foot pocket offers an optimal fit that's comfortable and snug for minimal drag. For deep sea diving, open sea rescues or recreational spearfishing, these fins are the best option for reliable power. Powerful Kick The stiff blade and multiple grooves force