Mares X-Stream Review: Nothing Like Your Traditional Fins


. minute Read

If you just take one look, you can clearly see that the Mares X-Stream Fins look nothing like your traditional paddle fins.

Mares says this is due to two years of resources, experiments, testing and four patents all concentrated in one unique product.

The new Mares Fins get its sleek look and performance from three distinct materials, each with its own mission.

They also claim the X-stream performance, comfort and lightweight design are the incredible result of sixty passionate years serving the diving industry.

Mares X-Stream Fins Reviews

Manufacturer: Mares

Our Score:

Overall Score

View Product on Recommended Retailers Site:

  • 3 distinct materials provide strength and comfort where necessary
  • Hinged blade provides greater angle of attack for more efficiency
  • Quick Release Buckle make doming and doffing a breeze
  • Quite expensive. But, there are places where you can get them for much less
  • Fins pivots and flex very easily, and may take a little while to get used to at first

The Mares X-Stream is a comfortable, lightweight fin. Hinged and Channel Technology delivers both stability and a lot of power for minimal effort, making them very efficient. A comparable foot pocket and quick release buckle make donning and doffing a snap. Don’t forget, they also look really good underwater.

Mares X-Stream Review: Video

So, what makes these new fins from mares so unique? Below is a quick Mares X-Stream Review video done by the guys over at Simply Scuba.

In the  YouTube video, they go over some of the basic features of the fins. You can also get a closer look at the fins and what makes them so unique.

Mares X-Stream Fins: Key Features and Benefits

Hinged Blade for Better Angle of Attack

Optimized Pivoting Blade causes the blade to flex at an optimal angle during both the upward and downward strokes, increasing the efficiency of the divers kick while reducing negative trust. This feature allows the fins to have a greater angle of attack on the power stroke pushing more water backward, propelling you forward more efficiently.


Reduces Parachute Effect

The foot pocket is perforated, which allows water to drain from the space between your boot and the foot pocket, eliminating excess drag as you swim. This also makes the fins easy to get on and off even while in the water.


Light Weight

They weigh only 1.45lbs (0.66kg) per fin, this was made possible by removing areas of the fins that don’t contribute to trust. Because the fins are very light, it takes less effort to move them through the water.

Comfortable Fit

The combination of softer materials with stiffer materials creates a foot pocket with an extremely comfortable fit while ensuring all the power of the foot is transfer to the blades.


Channel Trust Technology

 A clear, soft rubber is used on the blade to create a Super channel. This creates a large flexible central panel that helps propel water-flow more efficiently down the fin blade instead of letting it spill over the sides, giving you the best performance with minimal effort.

Quick Release ABS Plus Buckles

This allows you to easily open and close the buckles even while wearing thick neoprene gloves. ABS plus buckles allow to don and doff the fins without adjusting the straps. The double button release also prevents the buckle from accidentally opening making it really user-friendly.


Mares X-Stream Fins Review: Specs

Foot Pocket

Open Heal

Blade Style



Slightly Negative


2.9 Lbs/1.34 Kg


23.2 to 25.2 Inches /59 to 64 Cm

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Mares X-Stream Review: Our Rating

Design: 10

Innovative Design and materials increase efficiency

Functionality: 10

Generates a lot of Power for not a lot of effort.

Durability: 9

Three distinct materials provide comfort and strength

Price: 8

Quite expensive. On the higher end of the price range.

What We Like?

The Mares X-stream utilizes three different materials to make a fin that’s rugged, yet soft where it needs to be.  The perforated foot pockets are comfortable and make removing the fins an ease by eliminating the sucking effect you normally get when removing your fins after a dive.  The perforations also help reduce drag, by allowing water to pass through the foot packet reducing the parachute effect. 

They are also easy on your knees and ankles because the angle of attack provided by the hinged blades gives a lot of power with very little effort. 

Lightweight and slightly positive buoyancy, they also make an excellent pair of travel fins.

What We Don’t Like?

The Mares X-Stream are very pricey fins at above $200.00 list price. But, there are places where you can get them for much less if you look around.

You might also find that these fins may pivot and flex easily. This may take a little time getting used to at first especially if you’re coming from more rigged dive fins. Also for more rugged buckle system, you may prefer spring straps, rather than those that come with the fins. 

Mares X-Stream Fins Red
Overall Score

View Product on Recommended Retailers Site..

Mares X-Stream: FAQ

Frequently Asked Questions

Should you wear dive boots with these fins?

Can these fins be used for snorkeling?

Are they available in other colors?

The Bottom Line

The bottom line is, the Mares X-Stream is a comfortable and lightweight pair of fins that delivers both stability and a lot of snap on the down kick. What you get is a fin that delivers excellent kicking power that is easy on your ankles and knees and simply looks great underwater. Its lightweight design also makes them great for traveling as well?

Have used you used these pair of fins before or own a pair? Share your experience in the comments below. We would love to hear what you think of them.


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