CORE Silicone Bifins – The perfect training fins for freedivers of all levels

The CORE Silicone Bifins are purpose-built for technique training in freediving – ideal for both beginners and advanced athletes. Whether you're building symmetrical kicks or refining technique, these fins lay the foundation for efficient movement and make the switch to longer blades smoother.

Thanks to their compact and flexible construction, the CORE Silicone Bifins are also perfect for travel – whether you're training locally or abroad. They pack easily into any freediving gear bag.

Flexible silicone for all foot shapes and temperatures

The silicone is hypoallergenic, UV-resistant, and retains its shape down to -30 °C. Its flexibility allows it to adapt to both narrow and wide feet. The integrated arch support keeps your foot in an optimal position for maximum propulsion with every kick.

Minimalist design, maximum performance

The streamlined design follows the Molchanovs minimalist philosophy: no distractions, only what matters – performance, comfort, and efficiency. The CORE Silicone Bifins are more than just training fins – they're a durable, high-performance tool for every freediving journey.

Technical Specifications

• Material: Hypoallergenic, UV-resistant silicone
• Temperature resistance: Withstands down to -30 °C
• Blade length: 30 cm ; width: 20 cm
• Total length: Approx. 58 cm (depending on foot size)
• Weight: 1.6–1.8 kg per pair
• Colors: Black, Blue, Pink, White (Pink not available in size 44–45)

Who are the CORE Silicone Bifins for?

Whether you're a beginner, a competitive freediver, an instructor, or a traveling underwater photographer – the CORE Silicone Bifins are essential gear. They support your technique from day one through every stage of training.