Speedo Biofuse Training Fin
The Speedo Biofuse Training Fin is the perfect short blade training fin for dedicated swimmers looking to build leg strength, improve ankle mobility and refine their kick technique. With its proven Biofuse dual-density technology and 100% silicone construction, every training session becomes more effective and comfortable.
100 % Original – certified brand quality
14-day returns – hassle-free
Fast shipping from € 5.83
Free pickup – straight from our store
The Speedo Biofuse Training Fin is a premium short blade fin engineered for serious swim training. Its dual-density design pairs a stiff blade – providing maximum water resistance – with a soft, comfortable foot pocket, enabling longer and more intense sessions without discomfort. The fin is made from 100% silicone, making it latex-free, chlorine-resistant and gentle on the skin. Distinctive Dual-Rails along each side deliver propulsion on both the up and down beat of the kick, allowing you to focus entirely on ingraining correct technique. Weighing approximately 500–580 g depending on size, these fins deliver a substantial training stimulus while simultaneously developing ankle mobility and lower body strength and endurance.
Your advantages at a glance
- Speedo Biofuse Technology: Maximum comfort and an optimal fit through the proven dual-density silicone construction
- Stronger leg muscles: Increased water resistance raises the workload on your leg muscles, building strength and endurance with every kick
- Improved ankle mobility: The enlarged blade surface forces ankle extension during kicking, making each stroke more propulsive and efficient
- Dual-Rail propulsion: Side rails generate extra drive on both the up and down beat, boosting speed while leaving you free to focus on technique
- Latex-free 100% silicone: Skin-friendly, eco-conscious material that eliminates chafing, resists chlorine and ensures long-lasting durability
Technical Details
- Material: 100% silicone (latex-free, chlorine-resistant)
- Construction: Dual-density design – stiff blade combined with soft foot pocket; Dual-Rails along the side edges
- Blade length: Short blade; blade thickness approx. 1 cm for consistent stiffness across the fin
- Sizes: EU 36–37 to EU 46–48 (UK 2–3 to UK 11–12), unisex adult sizing
- Weight: Approx. 500–580 g depending on size (size M/L)
Our Recommendation for You
"The Speedo Biofuse Training Fin is our top pick for swimmers who want to build leg power and refine their kick technique in a structured and comfortable way. The combination of meaningful water resistance and outstanding wearing comfort makes this short blade fin an ideal training companion – whether for technique drills or strength-endurance sets. We especially recommend it for anyone starting out with structured fin training."
Your Schwimmsport Steiner Team
| Size | 35-36 or 37-38 or 39-41 or 42-43 or 44-46 or 47-48 |
| Manufacturer Colour | neonmandarine/poolblau/blaue flamme or oxid grey/lime punch |
| Manufacturer | Speedo |