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Molchanovs - PRO Monofin 4 Carbon


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Note that all of our fins are handcrafted to adjust the shape and stiffness of the blade and to ensure the most effective connection between foot pocket and blade. As such, some cosmetic imperfections on the blade may be visible. This does not influence blade integrity or performance but simply makes your fin/s unique.

Please note that carbon blades can vary in appearance from a more matte to a more glossy finish. If you have a preference, add it to the ‘Order Notes’ before checkout. We will do our best to match the blade finish to your preference.


Tailor your monofin specifically to your build, strength, and diving technique with the PRO Monofin 4 Carbon - our most customizable carbon monofin and the lightest in our range of monofins. Customization options include blade and accent color, blade size, blade stiffness, and the choice between standard-sized or customized foot pocket size, fit, and angle.

The PRO Monofin 4 Carbon features a lightweight and responsive glossy carbon blade, giving extra snap and propulsion to your kick. The blade is also reinforced to protect against the common points of breakage in carbon blades. The captivating new blade design features double-lined blade accents, now on both ends of the blade, with a smoothed-out silhouette.

Additionally, optimized inserts are now placed into foot pockets according to blade stiffness, giving them a more ‘spring-like’ effect for better transition of energy from the feet to the blade.

The soft and medium stiffness options of the PRO Monofin 4 Carbon are ideal for freedivers who use an ankle-driven technique that focuses on both a strong front and back kick. The blade-layering structure has been updated to support this low-effort, almost straight leg technique by keeping the load on the ankles. The standard foot pocket angle is set at 30° but can be customized depending on the flexibility of your ankles.

For a full guide on each customization option and to understand what is right for you, see the ‘Size and Customization Guide’ section below.

Details and Materials

  • Materials: 100% carbon fiber
  • Handcrafted from start to finish
  • Hand-layered blades for superb response and feel
  • Choose between a Small and Regular blade size according to your build
  • Molchanovs Hand-Built Foot Pockets:
    • Heavy-duty, wear-resistant, and UV-resistant
    • Custom open-heel foot pockets for flexibility
    • Comfort Lining interior with soft micropore for maximized comfort
    • Increased toe space for added relief
    • Engraved Molchanovs logo on the front
    • Choose between standard EU sizes or custom sizes with supinator support and choice of fit

Technical Specifications

  • Foot pocket Angle: 30° standard angle
    • Can be customized to 25° and 35°
  • Overall Length (depending on foot pocket size):
    • Small Blade: 70-72cm (27.6 - 28.3in)
    • Regular Blade: 72-74cm (28.3 - 29.1in)
  • Blade Width:
    • Small Blade: 68cm (26.8in)
    • Regular Blade: 70cm (27.6in)
  • Stiffness:
    • Soft
    • Medium
  • Weight: 2.5kg (5.5lb)
Molchanovs - PRO Monofin 4 Carbon
Foot Pocket
Blade Stiffness

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