Bio-Fins Ranger

With Rubber or Spring Strap 379.00

Special Order Only

  • Special Order

    • Special Order Only. Usually ships in 60-120 days
    • Quick Ship Option:  Ships in 3-5 weeks (additional charge)
    • 50% Down Payment due with order.  Balance plus freight due prior to shipment.
    • Special Order Item not eligible for return or exchange.
    • We will contact you to provide full details prior to processing.
  • Features

    • Wide foot pocket designed for use with amphibious and combat boots.  Also well suited for high profile over boots and divers with wider than average shoe size.
    • Hardness 75º - Tough natural rubber based blades.  Firmer feel, exceptional maneuverability and explosive thrust.
    • Dynamic split blade technology proven to reduce fatigue and maximize endurance
    • Secure stainless steel spring straps eliminate strap and lug breakage.  Easy to don and remove
    • Increase footwear options with alternate size spring sets
    • New adjustable rubber strap assembly available. Customized for use with Ranger fins
    • Manufactured In Japan
    • Payment In Full Due With Order
    • This item usually ships in 60-120 days.
    • Quick ship option 3-5 weeks (additional charge)
    • Special Order Item not eligible for return or exchange.
    • We will contact you to provide full details prior to processing.
  • Split Fin Technology

    Bio-Fins provide lift and propulsion with less effort and more power.  Unlike other fins which push water up and down, the Bio-Fin blade directs water flow over the leading and trailing edges providing power, lift and forward thrust on each stroke.

  • Size | Specifications






    Thick Sole Over Boot 10~12

    Amphibious & Military Footwear 8~10

    423 x 252mm, 1200g


    Thick Sole Over Boot 12~

    Amphibious & Military Footwear 10~**

    423 x 252mm, 1200g


    **Spring straps available in 275, 300, 325 and 350 mm to accommodate a broad range of sizes and boot types.  Size chart is intended as a guideline. Actual fit may vary.  Ranger foot pocket is significantly larger than pro fin series.  Actual weight per pair varies with choice of strap.

  • Tech & Care

    • A wider kick results in loss of momentum. Whether your traveling at cruise speed or powering through current keep your kicks small.   You will move quicker and more efficiently.
    • Rinse fins with fresh water after use. Store indoors.  Avoid extended exposure to extreme heat, cold, damp, dry and automotive exhaust.  Bio fins are not the same material as tires which are often a synthetic or hybrid.   Avoid UV and other protective sprays or lubricants.  These products often contain oils or other ingredients harmful to natural rubber.
    • Spring Straps are stainless but not stain proof.  To ensure hardware remains cosmetically appealing and easy to work with, we recommend occasional disassembly to rinse screw threads.  Baking soda helps remove any staining that may occur.
  • Accessories

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