TUSA
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SKU: 32619
Reg. Price: $149.00
Our Price: $129.00
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Description 

TUSA X-Pert Zoom Z3 Open Heel Scuba Diving Fins

Over 5 years of research and development brought the highly regarded and best-selling SF-8 X-Pert Zoom split fin to market in 2003. TUSA redefines the fin market again with the introduction of the SF-15 X-Pert Zoom Z3.

The SF-15 further improves upon the performance, features and design of the SF-8 with the incorporation of 3 materials, 10% longer blade length, enhanced propeller-fin technology, reinforced blade rails and optimized blade scoops. These new features along with TUSA's patented 27 degree Angled Blade Design and EZ strap buckle system make the SF-15 THE fin for divers.

TUSA's Angled Blade Design:
When using the standard traditional blade fin, with the leg completely extended, there remains an angle of 27 degrees between the heel and the foot and the calf of the leg, causing a 10% loss of propulsion. Because the fin is angled below the body, during the kick phase, the body is pushed forward and down, instead of straight ahead. With the SF-15 fin, that 27 degree angle has been designed into the fin. This means that 100% of the energy expended during the kick phase is directed toward the propulsion of the diver. TUSA developed a robot that can replicate the kick-cycle and movement of a human's leg. The robot is able to mimic the motion of a human exactly and relay accurate data. TUSA has been able to analyze the performance of the fins under several conditions. The robot is able to simulate swimming through the water using kick variations, such as a large scissor kick with a slow repetition and vice versa. Using the latest technology, this robot measures the energy expended during the kick and the propulsive force that is created using that energy. To achieve maximum performance from this fin, use a small bent-knee kick with a light rhythm. This creates less strain on the leg muscles compared with traditional fins, reducing the diver's fatigue and subsequent air consumption.

FEATURES

  • Three material design for increased performance compared to standard split fins
  • Patented 27 degree Angled Blade Design
  • Enhanced propeller-fin technology optimizes efficiency
  • Multi-compound foot pocket increases power transfer to the fin blade
  • Reinforced side-rails decrease blade separation increasing stability and kick-style versatility
  • Optimized blade scoops increase water channeling
  • Innovative hydrofoil design that produces forward motion (propulsion) with less effort
  • 10% longer blade than SF-8 for enhanced propeller effect
  • TUSA patented EZ and buckle system


  • Large/XL Mens size 10-14 +, Womens 12+
    Medium Mens 7-10, Womens 8-12
    Small Up to size 6, Womens up to size 8
    Not all sizes available on all Tusa Fins

Reviews

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(0 reviews)
by Camacho Diver
on 11/8/2009
Best diving fins
Tusa dive fins are definetively X-Pert fins, easy to put on & help to swim fast. Great quality & durable. They are also very cool looking!
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FAQs

Question asked
on 2/17/2011
I am interested in purchasing the Tusa Xpert Zoom (SF-15) open heel fin and wanted to confirm my fin size. My boot size is a 8-9 mens therefore the Medium looks like the proper size, right? Also, does your free shipping offer apply to Hawaii customers?
Answer by Bill
on 2/18/2011
Hi There, Yes you are a medium: Medium 27 1/4 in. Mens shoe size 7-11. We do not offer free shipping to Hawaii but we do offer USPS Priority Mail or if you are not in a huge rush we can offer Parcel Post which take a bit longer.
 
Question asked
on 8/31/2011
I wear a size 15 boot do you know any fins that will fit comfortably?
Answer by Bill
on 9/15/2011
Hello, I would look at the oceanic v6 open heel fins as these may not be able to accommodate as I know they go up to size 13.
 
Question asked
on 5/21/2012
hi there, after the Z3s but i have a womans size 6 boot. any help?
Answer by Bill
on 5/22/2012
You would be XS/Small
 
Question asked
on 12/12/2012
I have some tusa imprex fins and tusa size 9 booties with them. If I were to upgrade to this fin what size would I buy and still use these booties?
Answer by Bill
on 12/13/2012
Hello you would not need new boots they would fit fine in this fin.
 
Question asked
on 8/25/2013
Hi, can these fins be used without boots for snorkeling?
Answer by Bill
on 8/26/2013
These fins are made to be worn with boots or at the very least a sock. I would not wear them without some sort of boot or sock as blisters can be an issue.
 

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