C4 L-1090 Betta Fins – premium carbon fins for freediving
C4 L-1090 Betta fins are carbon fins specifically designed for freediving, offering powerful propulsion, a hydrodynamic structure, and a smooth, fluid kicking sensation. They are an ideal choice for divers looking to improve deep-diving skills, Betta-style diving, or dynamic underwater training.
Key features
- Blade made of 100% HT15 carbon with an exposed carbon outer layer, providing durability and responsive flex. Available stiffness levels include 20 (extra soft), 25 (soft), and 30 (medium) to suit different diving styles.
- Foot pocket uses the 200 model with a soft, flexible upper that naturally hugs the foot and ensures optimal power transfer while finning.
- Black-and-white water rails, overmoulded directly onto the blade using overmoulding technology, help stabilize water flow and reduce turbulence during dives.
- Made in Italy design with advanced carbon manufacturing processes, ensuring long-lasting quality and durability.
Why choose the C4 L-1090 Betta?
– The HT15 carbon blade delivers strong yet flexible propulsion, suitable for both beginners and professional freedivers.
– The soft and comfortable 200 foot pocket helps reduce fatigue during long and repetitive dives.
– Integrated water rails provide better water control, increasing finning efficiency while requiring less effort.
Conclusion
If you are looking for high-performance carbon fins for freediving, C4 L-1090 Betta is a strong choice. With advanced carbon construction, a comfortable foot pocket, and optimized water-flow design, these fins are ideal for deep dives or Betta training sessions.












