///Mares X-Stream Fin for scuba diving

Mares X-Stream Fin for scuba diving


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New foot pocket. No parachute effect

The limiting factors in traditional open heel foot pockets are their weight and the “parachute effect”. When finning, water gets into the space between the bootie and the foot pocket, creating drag like the air in a parachute. The perforations prevent this and have the additional benefit of making the foot pocket very soft and flexible. Furthermore, the suction effect which can make doffing of the fins cumbersome, is now forever a thing of the past.



Mares X-Stream Fin for scuba diving

FREE Shipping in the USA


Next generation OPB

Allows the blade to maintain an optimal angle throughout the kicking cycle, whereas traditional fins achieve this only during a small portion of the cycle. OPB produces a constant thrust, which minimizes fatigue and produces fluid movement through the water. It is an exclusivity of Mares fins.

New blade construction for less turbulence

Mares Design inspired by marine mammals. Channel thrust technology maximizes the channelling of water and moves a much greater amount of water compared to other fins of the same size. The result is greater thrusting power with the same amount of effort.

The X-stream performance, comfort and lightweight design are the incredible result of sixty passionate years at the service of diving. The X-stream is truly a leap into the future, and changes forever how we envision the creation of a fin. More than 2 years of resources, experiments and testing and four Mares patents all concentrated in one unique product.

Assorted Colours…sizes from XSmall to XLarge



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