Tusa X-Pert Z-3 Zoom Open Heel Scuba Diving Fin
Tusa X-Pert Z-3 Zoom Open Heel Scuba Diving Fin - S (Small) / Black is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at In Store
TUSA X-Pert Z-3 Zoom Fins sizing. Imperial in bold, metric underneath.
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS–S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M–ML US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
11–12.6 28–32 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS–S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
22.8 578 |
8.7 222 |
4.1 1,850 |
|
M–ML US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
23.9 608 |
9.1 232 |
4.7 2,140 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
25.7 653 |
9.4 238 |
5.4 2,450 |
From TUSA’s chart: Model #: SF-15 Product Name: X-Pert Z-3 Zoom
Source: TUSA’s size chart. Where the chart prints only one unit, we converted the other: inches from centimeters (to the nearest 0.1″).
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Product Information
The TUSA SF-15 X-Pert Zoom Z3 is an open heel split fin built around a patented 27° Angled Blade Design and TUSA's Propeller-Fin technology, giving divers a low-effort flutter kick with a blade that is 10% longer than TUSA's earlier SF-8 X-Pert Zoom. It uses a three-material design and an EZ Strap and buckle system that can be adjusted while worn, and it is designed to be used over dive boots rather than on bare feet.
Who it is for
This fin suits divers who prefer a split-fin flutter kick and want forward propulsion with less effort. The reinforced side-rails and multi-compound foot pocket are intended to add stability and power transfer for divers who move between flutter and other kick styles, while the open heel design and adjustable EZ Strap system let the fin be worn with dive boots.
Key details
- Three material design for increased performance compared to standard split fins
- Patented 27° Angled Blade Design for efficiency through the full kick cycle
- Propeller-Fin technology with a hydrofoil blade shape that produces forward propulsion with less effort
- Multi-compound foot pocket that increases power transfer from the leg to the blade
- Reinforced side-rails that reduce blade separation for added stability and kick-style versatility
- Optimized blade scoops that increase water channeling
- Blade is 10% longer than the SF-8 X-Pert Zoom for an enhanced propeller effect
- TUSA patented EZ Strap and buckle system, adjustable while the fin is worn
Compatibility and sizing
The SF-15 X-Pert Zoom Z3 is offered in sizes S (Small), M (Medium), and L-XL (Large to X-Large). Listed colors for this fin are Black, Cobalt Blue, Flash Yellow, Metallic Red, Pearlescent Pink (S and M only) and White; this listing carries Black and Cobalt Blue. As an open heel fin, it is sized and worn with dive boots rather than barefoot.
DiveCatalog.com is an authorized TUSA dealer and a dive shop in Irvine, California, serving divers since 2003. Call 888-701-4017 or chat with us if you need help confirming fit, sizing, or boot compatibility before you order.
- Three-material design: Increases performance compared to standard split fins.
- 27° Angled Blade Design: Patented geometry that maintains efficiency throughout the kicking cycle.
- Propeller-Fin technology: Two wing-shaped blade surfaces create lift and forward propulsion like a propeller, reducing drag and effort.
- Multi-compound foot pocket: Increases power transfer from the leg to the fin blade.
- Reinforced side-rails: Decrease blade separation, increasing stability and kick-style versatility.
- Optimized blade scoops: Increase water channeling.
- Hydrofoil blade shape: Produces forward motion with less kicking effort.
- 10% longer blade than the SF-8: Enhances the propeller effect for more efficient propulsion.
- EZ Strap and buckle system: TUSA's patented strap can be adjusted quickly while the fin is worn, for a precise fit and easy removal.
- Sizes and colors: Available in S, M, and L-XL, in Black, Cobalt Blue, Flash Yellow, Metallic Red, Pearlescent Pink (S and M only), and White.
| Brand | TUSA |
| Model | SF-15 X-Pert Zoom Z3 |
| Fin type | Open heel, split fin |
| Blade design | Patented 27° Angled Blade Design (A.B.D.) |
| Propulsion technology | Propeller-Fin technology with hydrofoil blade shape |
| Blade length | 10% longer than the TUSA SF-8 X-Pert Zoom |
| Foot pocket | Multi-compound construction for increased power transfer |
| Side-rails | Reinforced to reduce blade separation and increase stability |
| Strap system | TUSA patented EZ Strap and buckle system, adjustable while worn |
| Sizes | S (Small), M (Medium), L-XL (Large to X-Large) |
| Colors | Black (BK), Cobalt Blue (CBL), Flash Yellow (FY), Metallic Red (MDR), Pearlescent Pink (PP, S/M only), White (WH) |
| Colors offered on this listing | Black, Cobalt Blue |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between open-heel and full-foot fins?
Open-heel fins have an adjustable heel strap and are worn with dive boots, which protect your feet on shore entries and add warmth. Full-foot fins slip on like a shoe against bare skin or a thin sock, and are typically lighter and easier to pack. Most scuba divers choose open-heel fins with boots, while full-foot fins suit warm water, snorkeling, and pool use.
How should scuba fins fit?
Open-heel fins should be sized around the boots you will actually wear, snug with the strap set so your heel stays seated and your foot does not slide forward in the pocket. Full-foot fins should fit like a firm shoe, with no heel lift, no pinched toes, and no gap that lets water pump in and out. Too loose causes heel blisters and lost fins in current, and too tight causes foot cramps.
Should I buy dive boots before fins?
Choose your boots first and size open-heel fins around them, because sole thickness changes the foot-pocket size you need. A thin warm-water boot and a thick cold-water boot with a rugged sole can easily be a fin size apart. If you already own fins, bring them along when you buy boots so you can check the combination.
Are spring straps worth it?
Spring straps replace the adjustable rubber strap with a stainless spring that stretches on and off, so there is nothing to buckle with cold or gloved hands and no rubber strap to perish and snap mid-dive. They hold constant tension, which many divers find more comfortable and consistent. They are sized rather than adjustable, so match the length to your foot pocket and the boots you dive.
What are the best fins for travel?
For travel, length and weight matter most, so shorter blades and travel-specific open-heel or full-foot models pack more easily and save baggage allowance. Some fins have removable blades or compact foot pockets designed for luggage. Pack fins along the outside walls of your bag, where they also act as protection for softer gear.
What is the difference between paddle and split fins?
Paddle fins use a solid blade that transfers power directly, which many divers prefer for precision, control in current, and non-flutter kicks such as the frog kick. Split fins have a slit down the blade that lets water pass through, which generally makes flutter kicking easier on the legs but gives up some control and works less well with other kick styles. Neither is inherently better, so let your kick style, leg strength, and conditions decide, and try both if you get the chance.
How do I care for dive fins?
Rinse them in fresh water after each dive day, paying attention to buckles, springs, and strap channels where salt collects, and dry them out of direct sunlight. Store them flat or hanging from the foot pocket rather than standing on the blade tips, which can take a permanent bend. Check straps, buckles, and any screws before every trip, since a failed buckle is the most common fin problem.
What makes the SF-15 X-Pert Zoom Z3 different from the TUSA SF-8?
The SF-15 X-Pert Zoom Z3 uses a three material design and a blade 10% longer than the SF-8 X-Pert Zoom. It also has reinforced side-rails and optimized blade scoops, intended to increase stability and water channeling.
What sizes and colors does the SF-15 X-Pert Zoom Z3 come in?
It comes in sizes S (Small), M (Medium), and L-XL (Large to X-Large). Colors listed for this fin are Black, Cobalt Blue, Flash Yellow, Metallic Red, Pearlescent Pink (S and M only) and White; we stock Black and Cobalt Blue.
Does the SF-15 use a buckle or a spring strap?
The SF-15 X-Pert Zoom Z3 uses TUSA's patented EZ Strap and buckle system, not a spring strap. The buckle design is meant to be adjusted quickly and easily, even while the fin is being worn, so you can fine-tune fit while wearing the fins and remove them easily when needed.
Can I wear the SF-15 X-Pert Zoom Z3 without dive boots?
No, the SF-15 is an open heel fin worn with dive boots; the EZ Strap and buckle adjusts for a precise fit.














