TUSA HyFlex TA0903 Foot Pocket and Fin Size Chart
Size guide based on TUSA sizing information.
TUSA TA0903 foot-pocket sizing: this is the HyFlex System guide for Switch, Switch Pro, Zoom, Tri-Force and TA0903 foot pockets. The current guide lists separate L and XL sizes. If an older product option is labelled L/XL, contact Dive Gear Australia to confirm the stock and fit before ordering.
Check your chosen foot pocket with the dive boots you intend to wear. Only the sizes available in the product selector can be ordered.
| Size | Foot length (cm) | EU | US men | US women |
|---|---|---|---|---|
|
XS
|
22-24
|
34-38
|
3-5
|
4.5-6.5
|
|
S
|
24-26
|
38-40
|
5-7
|
6.5-8.5
|
|
M
|
26-28
|
40-44
|
7-10
|
8.5-11.5
|
|
L
|
28-30
|
43-46
|
10-12
|
11.5-13.5
|
|
XL
|
30-32
|
46-49
|
12-14
|
13.5-15
|
TUSA HyFlex Switch Fins
Original price was: $458.00.$409.91Current price is: $409.91. inc. GST
TUSA SF0104 HyFlex Switch open-heel fins with a polyurethane blade, detachable HyFlex system and adjustable bungee strap.
- Dive boots required; sold separately.
- XS–L/XL model-specific size guide below.
- 20° angled blade with Vortex Generator ridges.
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TUSA HyFlex Switch Fins
The TUSA HyFlex Switch SF0104 fins combine a polyurethane blade with an open-heel foot pocket and adjustable bungee strap. The HyFlex system allows the blade and pocket to be separated for packing or compatible component replacement, making this a practical option for divers travelling with their own equipment.
Features and benefits
- PuRiMaX polyurethane blade: a responsive blade compound for controlled propulsion.
- 20° angled blade: positions the blade relative to the foot pocket for the kick cycle.
- Vortex Generator ridges: shape water flow behind the blade vent.
- Adjustable bungee heel strap: stretches over the boot heel for fitting and removal.
- Modular HyFlex construction: detachable blade and foot-pocket components; check compatibility before purchasing replacement parts.
Technical Specs
| Specification | Details |
|---|---|
| Model | SF0104 HyFlex Switch |
| Foot pocket | Open heel; dive boots required |
| Blade | PuRiMaX polyurethane; standard Switch compound |
| Blade angle | 20° |
| Heel strap | Adjustable bungee |
| Sizes on this listing | XS, S, M, L/XL |
HyFlex Switch size guide
| Fin size | Foot length guide | EU shoe size guide |
|---|---|---|
| XS | 22–24 cm | 34–38 |
| S | 24–26 cm | 38–40 |
| M | 26–28 cm | 40–44 |
| L/XL | 28–32 cm | 44–50 |
This guide is for the SF0104 configuration with a combined L/XL size offered on this listing. TUSA also publishes charts for newer configurations with separate L and XL sizes; do not substitute those rows for the combined L/XL option. All sizes are fit guides, not a guarantee of fit.
These are open-heel fins for use with dive boots. Boot thickness, sole shape and foot width affect the fit, so try the fin with the actual boots you will wear. The heel strap should hold the boot securely without forcing your toes against the end of the pocket. Boots are sold separately with the standalone fins.
To measure your feet, place paper against a wall, stand with your heel gently against the wall and mark your longest toe. Measure from the wall to the mark in centimetres. Repeat for the other foot and use the longer measurement. Where a model has no foot-length chart, contact us with that measurement and your usual shoe size rather than using another fin model’s chart.
View the HyFlex Switch side profile
Care and storage
Rinse in fresh water after use and remove sand from the foot pockets and adjustments. Dry in the shade before storing away from heat and direct sunlight. Store blades flat without bending them or placing heavy items on top. Check straps and buckles before your next swim.
| Colour | Black, Fishtail Blue, Flash Yellow, Metallic Dark Red, Rose Pink, White |
|---|---|
| Size | L/XL, M, S, XS |
In-stock orders placed before 12 noon Melbourne time on weekdays are usually dispatched the same day once payment is confirmed. This excludes public holidays, pre-orders, backorders, special orders and custom orders. Dispatch times can vary. Delivery time depends on the carrier and your location.
Standard mainland Australian shipping is $20. Click & Collect from our Hallam store is free once your order is ready.
- Large or bulky gear: additional freight charges apply on top of standard shipping: large dive bags $30; long freediving fins $15; long spearguns $20. Scuba tank freight is shown at checkout.
- Rural, remote & offshore: rural means anywhere outside metropolitan areas. Carrier availability and additional charges may apply, including for island and territory destinations. Our team will contact you if an extra freight quote is needed.
The available delivery rate for your order is shown at checkout.
Need your gear urgently? You are welcome to arrange your own same-day courier or Uber pickup from Hallam. Call 03 9702 3694 before booking so we can confirm payment, that your order is packed and ready, and a collection time. Tell us who will collect and give your driver the order number. You arrange and pay the courier directly; delivery timing depends on the provider.
Contact us within 30 days of delivery to request a refund, exchange or optional store credit on eligible unused goods within Australia. Refunds go to the original payment method. Keep goods clean and undamaged with tags, original packaging and all accessories. No restocking fee applies to eligible returns meeting these conditions.
For change-of-mind returns and size exchanges, you pay return postage and replacement shipping. Original delivery charges are not refunded. Water-tested goods, clearly marked clearance items and genuinely custom-made or personalised items are excluded from change-of-mind returns. Ordinary discounted goods remain eligible.
For product problems, please call 03 9702 3694 before returning an item so we can help and explain the next steps.
Still unsure which size to choose?
Call our experienced dive instructors on 03 9702 3694 before ordering. Have your measurements and preferred product ready so we can help you choose the most suitable size. Fit varies between brands and models.
FREE CLICK & COLLECT
Usually ready same day*
Select local pickup at checkout. We will email you when your order is ready. Please wait for your ready-to-collect confirmation before visiting, then bring your confirmation email and photo ID.
Need your gear urgently? You can arrange your own same-day courier or Uber pickup. Call 03 9702 3694 before booking so we can confirm payment, that your order is packed and ready, and a collection time. Tell us who will collect and give your driver the order number. You arrange and pay the courier directly; delivery timing depends on the provider.
Collect from our Hallam store
Factory 4 / 56–60 Hallam South Rd
Hallam VIC 3803
*For items in stock at our Hallam store during opening hours, subject to order processing. Available-to-order and special-order items take longer. Collection is unavailable while the store is closed.
Can I collect my order from the store?
Yes. Choose free local pickup at checkout and wait for your ready-to-collect email before visiting our Hallam store. Bring your confirmation and photo ID. See Click & Collect details.
How do I choose the right size?
Use the product's size chart where available and compare your measurements with the guide for that brand. Sizing varies between brands and products. Still unsure? Call our experienced dive instructors on 03 9702 3694 during business hours before ordering. Have your measurements and preferred product ready. For fins and boots, tell us which socks or dive boots you will wear.
How do I check availability?
Select your required options, such as colour and size, to see availability for that variation. “Available to order” means the item may need to be sourced before dispatch. Call 03 9702 3694 to check the current lead time before ordering, especially if you need your gear for a trip or a particular date.
When will my order be dispatched?
In-stock orders placed before 12 noon Melbourne time on weekdays are usually dispatched the same day once payment is confirmed. This excludes public holidays, pre-orders, backorders, special orders and custom orders. Dispatch times can vary. Delivery time is separate from dispatch time and depends on your location and the carrier. Read our shipping information.
Can I exchange an item if it does not fit?
Contact us within 30 days of delivery to request a refund to the original payment method, exchange or optional store credit on eligible unused goods. You pay change-of-mind return postage and replacement shipping; original delivery charges are not refunded. No restocking fee applies to eligible returns. Clearance and genuinely custom-made items are excluded from change-of-mind returns. Read the return conditions and next steps.
Can you help me choose the right gear?
Yes. Call 03 9702 3694 during store hours or email [email protected]. Tell us which product you are considering and how you plan to use it.
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