Captain Nemo Carbon Bifins $230 Captain Nemo Carbon bifins WaterWay’s carbon bifins are proven to be durable, powerful, and efficient. The fins have durable 80-cm long blades with a 22-degree angle. They are made of 100 micron thick layers of high quality carbon fiber and specially designed resins that make them last for years. Waterway guarantees that the fins will keep the same power and stiffness for 2000km. The bifins also have comfortable foot pockets that ensure efficient power transfer from every kick. The right size of foot pocket can do wonders to your dives. The sustained power and special design of the Captain Nemo carbon bifins make them a great long-term investment for any free diver.