Military > Fins > Bio-Fin Ranger

Strap Type | Rubber 379.00

Special Order Only

  • Special Order

    • Special Order Only. Current Lead Time 6-8 months
    • Quick Ship Option (additional charge) Stock Permitting  Ships in 3-5 weeks.
    • 50% Down Payment due with order.  Lead time based on date received.  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
    • Negatively buoyant, if operator is required to discard, fins will sink to bottom so as not to alert others of operators presence
    • Increase footwear options with alternate size spring sets
    • Adjustable Rubber Strap with quick release buckles
    • Manufactured In Japan
    • Other Options:  Bio-Fin Ranger With Spring Strap
  • Split Fin Technology

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


    Efficient Kick 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.

  • Click For Size | Item Numbers







    Bio-Fin Ranger, Rubber Strap, Black Size M-L

    USA# 150-39-80-500 [1503980500, FN08490]

    Thick Sole Over Boot 10~12, Amphibious & Military Footwear 8~10


    Bio-Fin Ranger, Rubber Strap, Black Size L-XL

    USA# 150-39-80-600 [1503980600, FN08491]

    Thick Sole Over Boot 12~, Amphibious & Military Footwear 10~**37]

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