IST Military Rubber Rocket Dive Fins

Heavy-duty rubber fins for scuba diving or training for Special Ops programs Special blade curvature with structural ribs that provide positive thrust Vented blade for accelerated momentum Open foot pocket with adjustable strap Compatible with the IST FS11 stainless steel spring straps Designed to be worn with dive booties   Built with premium durability and flexibility, the IST Military Rubber Rocket Fins are the number one choice for Navy SEAL and Special Ops military programs. With a specialized curvature and a resilient, tapered blade, the fin boosts positive thrust and provides unheard-of flexibility. 3 deep vents along the blade force water backward, emulating the acceleration of three synchronized turbo-powered water jets. Structural ribs channel water and give a spring-like energy to every kick.   Measurements of the INSIDE of the foot pocket WxHxD M - 4.00x2.25x.8.00 L - 4.25x2.50x8.50 XL - 4.50x3.00x8.75 XXL - 5.00x3.25x8.75