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Mares Pure Instinct Free Dive
Other products by Mares Pure Instinct Free Dive
SKU: MAR420402
Reg. Price: $180.00
Our Price: $169.95
on orders of $35.00 or more.
Please review our shipping policies for details and restrictions.


Mares Pure Instinct Razor Spearfishing Fins

The characteristics of the foot pocket incorporate comfort, technique, and efficiency.

The volumes and additional thicknesses on the instep or the tensioners under the arch have been meticulously studied to convey maximum thrust from the product without sacrificing ideal comfort. The foot pocket is manufactured in a single material – one of the lightest – thus eliminating any problems in bonds between different materials and offering excellent mechanical properties.

The significant side ribs perfectly support the blade, channelling the water flow. They also prevent lateral slippage. The variable-thickness blade bends during the various phases of finning action, achieving the ideal flexion curve.The best technopolymers are used in this fin and increase its agility and resistance.

The special design of the channels makes it possible to increase and channel the flow of water toward the pronounced "V" at the end of the blade, thus increasing thrust and preventing slippage to the side.Its light weight and power give the Razor the best yield among all the technopolymer fins currently available on the market.

The difference between The Razor and Razor pro is the stiffness of the fin.  The Razor Pro blade is more of an intermediate to high-end fin.

  • Interchangeable blade
  • Foot Pocket incorporates comfort, technique, and efficiency
  • One of the lightest free diving fins
  • Prevent lateral slippage
  • Side ribs perfectly support the blade, channeling the water flow

Razor Foot Pocket EURO SIZE   USA size worn WITHOUT a 3mm Sock   USA size worn WITH a 3mm Sock
  39 / 40     8.5 / 9.5   7 / 8 
  41 / 42     10 / 11    8.5 / 9.5
  43 / 44    11 / 12    10 / 11 
  45 / 46    13 / 14    12 / 13 
  47 / 48    15 / 16    13 / 14 


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Question asked
on 7/5/2011
Couple questions. Considering the Cressi 2000HF, and this Mars. Which is best for spearfishing free diving? I wear a 9 size sho, want to wear a 2-3 mil bootie. What will fit me best with the bootie?
Answer by Bill
on 7/7/2011
Hey There, both are made for free diving and spear fishing so that is your choice. As for the size if you are wearing a 2mm boot then I would go with 10/11 and write in the check out notes your needs as well so we can verify with our supplier and get it right the first time for you. Thanks, Bill


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