For the most
comfortable fit, add 0.5–1 cm to your foot length when selecting
your fin size.
If you're between sizes, we recommend choosing the larger size for the
best comfort.
FINS
Size Chart
Size
Fits Foot Size (EU)
Outside Length (cm)
Width (cm)
Weight (g)
Package Size
12–12.5C
29–30
24.8
18.5
280
48 x 32 x 30 cm
13–13.5C
31–31.5
25.7
19.5
312.8
48 x 32 x 30 cm
1–2Y
32–33.5
27.5
20.3
380.6
48 x 32 x 30 cm
2.5–3.5Y
34–35.5
28.8
21.3
439.2
48 x 32 x 30 cm
4–5 US
36–37
30.8
22.7
537.6
48 x 32 x 30 cm
5.5–6.5 US
37.5–38.5
32.1
23.7
610.8
48 x 35 x 30 cm
7–8 US
39–41
34.2
25.5
732
48 x 35 x 30 cm
8.5–9.5 US
42–43
35.5
26.2
822.2
45.5 x 35 x 34 cm
9–10 US
44–45
36.5
27
867
46 x 37 x 40 cm
FIN MEASUREMENTS
How to Measure
Measure your foot from heel to toe.
For the most
comfortable fit, add 0.5–1 cm to your foot length when selecting
your fin size.
If you're between sizes, we recommend choosing the larger size for the
best comfort.
Collapsible content
Shipping Info
Our standard delivery time due to a sales surge is 10-15 business days
across Australia.
However, due to an overwhelming number of orders being processed by our logistics partner, there may be occasional delays, of up to 20 business days depending on your location.
While we aim to meet the usual timeframe, some deliveries might take longer depending on your local courier service.
We appreciate your patience and understanding during this busy period, and we're working hard to get your order to you as quickly as possible!
Not All Snorkel Gear Is the Same
See why beach lovers choose Sundae.
 
Other Brand
Slay on your Beach Pics 📸
✅
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Comfy for Longer Adventures 🌊
✅
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Wide, Clear Views 👀
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Made for Easier Snorkelling 🤿
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Colours You'll Actually Love 🌈
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Ready for Your Next Getaway ✈️
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What You'll Feel
Effortless glide with each kick — less kicking, more exploring
Snug fit straight out of the bag, no break in period needed
Feet stay comfortable even on longer swims
Light on your feet walking to the water
No marks, no rubbing, no regret
Colours so good they deserve their own beach photo
The Colours Match Your Vibe
We're not going to pretend the colours don't matter.
Whether you're into soft pastels or bold brights, your fins should match your vibe, in the water and out of it.
Ours vs Others
Experience
Sundae Fins
Others
Comfort from first use
No strap slipping mid-swim
Lightweight enough for carry-on
Colours worth photographing
Works with your snorkel set
Easy rinse & pack care
Doesn't eat your heels
Frequently Asked Questions
Sundae Fins come in all standard eu sizes. Check the size guide below to find your fit. If you're between sizes, we recommend sizing up for a more comfortable foam fit.
They're designed to be worn barefoot for the best fit. If you're planning to wear them over neoprene socks in cooler water, size up to keep the pocket comfortable.
If you're shopping for little ones, check our size guide or reach out and we'll help you find the right fit.
Definitely. The short blade length is ideal for snorkel sessions — easy to manoeuvre around reefs without kicking up sand or dragging. Pair them with the Sundae Snorkel Set for the full setup.
Rinse with fresh water after each use, especially after salt water. Let them air dry away from direct sunlight and store flat or in your beach bag. Don't leave them in a hot car — foam doesn't love it.
Customer Reviews
Overall rating: 4.0 / 5 from 60 reviews.
I got the size wrong 😑 it wasn’t clear I ordered a child size until they arrived
Can’t seem to get while of the company to set up a return for these as they are too big and also not as long as i expected. Terrible customer service. I have tried reaching out multiple times with no response. Very frustrating
The company has everything sent direct from china/overseas. No personalized packaging. Just shitty plastic. Looks exactly like I expected it to. Colours are correct.
Nice fit and feel as if they are going to be great in the water. Haven't had chance to try them out yet but I've used this shape before. Much easier to pack too.
Fit is great. I'll have to get used to the shorter fins as these are much shorter than my regular fins. I knew that when I purchased them, so there will just be an adjustment period.
Arrived this week after my first order got damaged by courier and returned I love the colour can’t wait to use it great communication throughout on sorting a replacement order
I was a scuba diver for many years. As I have aged, I have gone to just snorkling. This equiptment is of excelent quality!!! I Love it and so happy I gave it a try!