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Your cart is empty.The TUSA Hyflex Switch is powered by PuRiMaX Polyurethane Blade System". The Polyurethane blade provides a quick snappy" response to the diver's every movement. TUSA's unique Vortex Generator" effectively reduces water resistance through the fin stroke normally found on traditional smooth blades. The Vortex Generator consists of six (6) performance ridges positioned behind the blade vent reduce resistance, creating a smoother and more efficient kick cycle. TUSA's Multi-compound foot pocket increases power transfer to the fin blade. The TUSA Hyflex Switch is equipped with the new universal bungee strap providing extraordinary comfort. The heavy duty elastic fin strap provides easy donning and doffing of fins. The quick adjustment accommodates five (5) adjustable positions. Fin strap is equipped with a large extruded rubber heel cushion with large finger loop for easy donning and doffing. Angled Blade Design (A.B.D.): A standard flat fin inhibits propulsion solely by fault of design. An angle between the heel of the foot and the calf of the leg remains when the leg is extended to kick. This angle causes approximately 10% of the propulsion to be lost. The Angled Blade Design accommodates for this anatomical characteristic and ensures maximum efficiency throughout the kicking cycle. TUSA Hyflex System for a compact and lightweight travel package. Fin is available in multiple colors and sizes.
cheph57
August 31, 2025
In the water these fins are fantastic - best for a scissor kick but do pretty good frog kicking as well. They are easy to get on and off, in or out of the water, so big plus for walk-in dive sites or getting up a ladder on a boat dive. Foot pocket is huge but the reviews I read said to expect that so I added a pair of 5 - 7mm dive boots: perfect fit! I am a size 11 and the heel straps, at the shortest setting, hold my boots firmly. I would not recommend these for anyone with less than a size 11 foot or you may have trouble getting the heel strap tight enough - plenty of room to go bigger, though. Haven't had to take them apart yet as my fin bag and larger equipment bag can both handle the length easily. Took them to Panama City for my AOW certification and the only detractor was that, with a full wetsuit (jellyfish hazard that weekend), my feet tended to float more the closer I got to the surface. I will see how they perform without a wetsuit when I head south again or i will just add ankle weights if needed. No cramping or foot fatigue even against a pretty strong current in some spots.
FTLSales
August 19, 2025
The TUSA SF-0104 Hyflex Switch Scuba Diving Fins have completely transformed my underwater experience, and I couldn't be more impressed. From their innovative design to the outstanding performance, these fins have become an indispensable part of my scuba gear.The Hyflex Switch technology is a game-changer. The interchangeable blade system allows for unparalleled customization, catering to various diving conditions and personal preferences. Whether I'm exploring coral reefs or navigating strong currents, I can easily switch between the blades to optimize my performance. The quick and secure attachment mechanism is a testament to TUSA's commitment to user-friendly design.The overall construction of these fins is top-notch. The material is durable yet flexible, providing a perfect balance between power and efficiency. The lightweight design minimizes leg fatigue, allowing for longer and more enjoyable dives. The foot pocket is comfortable and offers a snug fit without causing discomfort or blisters.One of the standout features is the efficient channeling and thrust provided by the fin's blade. The design enhances propulsion, making each kick feel powerful and precise. Whether I'm gliding through the water or maneuvering around underwater obstacles, these fins respond with exceptional agility.The TUSA SF-0104 Hyflex Switch Fins also excel in terms of compactness and travel-friendliness. The modular design makes them easy to pack, and the included carry bag adds an extra layer of convenience. It's clear that TUSA has considered the needs of divers who often find themselves on the go.Maintenance is a breeze with these fins. The open design allows for easy rinsing and drying, preventing the buildup of salt or debris. The quality of the materials ensures that these fins withstand the demands of regular diving, proving to be a wise investment for any avid scuba enthusiast.In conclusion, the TUSA SF-0104 Hyflex Switch Scuba Diving Fins have elevated my diving experience to new heights. The combination of innovation, durability, and performance makes them a standout choice in the world of scuba gear. Whether you're a seasoned diver or just starting, these fins are a 5-star investment that will undoubtedly enhance your underwater adventures. Dive in and experience excellence!
Craig Trebatoski
August 4, 2025
Love my new TUSA HyFlex SWITCH fins!! Just got back from a trip to Roatan, Honduras where we did 19 dives. Lightweight and easy to put on. Definitely felt they helped me glide through the water. Also, really liked the adjustable straps; is a nice feature to get the correct tension/fit level for you foot.Note: I wear a size 10 men's shoe and found that the medium fins fit me best with my 7mm boots. My first purchase was the large and they were WAY to big for my foot size so had to do an exchange for the smaller size.
M. Sutton
July 24, 2025
I have some older Tusa fins but when I use them I get fast fatigue in my legs and aches in my knee joints. My son bought these TUSA SF-0104s and I tried his on a trip earlier this year. I was amazed at how much better they felt and performed so I bought my own pair. We just returned from a trip with friends - I was able to snorkel for hours with no fatigue or joint pain and swam a considerable distance; in contrast, my husband and our friends all complained about fatigue and did not swim as long or far as I did. And my husband is a long-time very conditioned runner whereas I am not in as good a shape so I was quite happy that I was able to keep up with him and even out swim him with these fins. I encouraged my husband to try mine and, like me, he was amazed at how much better his legs felt with these TUSA SF-01014s. My husband and friends were also amazed that I was able to pack these fins in my carry-on bag because these fins have that feature that allows unscrewing the fins from the booties.My husband is very budget conscious so I don't know if he'll decide to buy his own since we don't go on a lot of snorkel/dive trips so he may just decide to continue to deal with our older lower performing or rental fins. Me - I am 100% glad I invested in these; money very well spent to preserve my already arthritic knee joints as I get older AND not have to check my bag because these fins fit in my carry-on bag!
Julie Chisholm
July 11, 2025
Bought these as a late Christmas gift for myself to use on our annual trip to French Polynesia, followed the sizing chart I found and on June 1st, I tried them on, too big even at the smallest adjustment. Never used and asked to exchange them for 1 size smaller and was told NO. Not even a thank you for $230 for a product I can't use.
BookMike
June 8, 2025
I like these a lot. They are portable, light and fit nicely. The problem is when I went to put one on while in the water the whole strap came apart. The mounting pin fell out and disappeared into the sand. They can’t be used without this piece and I can’t order it anywhere. Now I have to wait a week for a new spring strap to be delivered, at my cost of course. I wouldn’t have purchased these if I knew how cheap the whole strap assembly was.
Suzette Crowe
December 2, 2024
I love that you can take them apart for ease of travel in suitcase.Negative, they came off my boot heel twice during the dive trip and caused severe blistersGuess I’ll be replacing the straps with metal ones
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