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Swim Further With Less Effort
Every splash brings more power without extra strain. The Threo fins feature soft materials that keep feet happy all day. Adjustable straps make putting them on quick and simple.
Effortless Movement
Move quickly using less energy in every kick. Flexible blades help you glide through water with ease.
All-Day Comfort
Soft rubber pockets gently support every foot shape. No more sore toes or rubbing after swimming sessions.
Travel Friendly
Lightweight fins fit easily inside any luggage or bag. Perfect for holidays, lessons, or quick trips to the pool.
Size Guide
- TO MEASURE YOUR FEET FOR FINS:
- 1. Stand in your bare feet with your heel against the wall.
- 2. Place a ruler on the floor parallel to your foot with the end of the ruler against the wall.
- 3. Find the length from the wall to the end of your longest toe.
| SIZE | US | UK | EU | FOOT LENGTH | |
|---|---|---|---|---|---|
| cm | inch | ||||
| XS | 1-4.5 | 13-3.5 | 32-36 | 19.7-22.9 | 7.76-9.02 |
| S-M | 5.5-8.5 | 4-7 | 37-41 | 23.1-25.6 | 9.09-10.08 |
| L-XL | 9-13 | 8-12 | 42-47 | 26.5-29.8 | 10.43-11.73 |
Ella J.
With these fins, I glide across the water so fast! Plus, they’re gentle on my skin—no red marks, even after hours of swimming.
Amelia B.
The fins made my snorkeling adventure so much easier. I kicked smoothly and felt like I was flying underwater the whole time.
Ben K.
I kicked around for a long time and my legs didn’t get tired. These made swimming way more fun and quick to put on too.
Jayden L.
My favorite part is the strap adjustment, it’s really easy to use. I like how secure they feel without feeling tight.
Charlie D.
I love the soft feel when I slip them on. They really helped me keep up with my friends in the water.
Mia H.
No slipping or sore toes! The silicone is soft and hugs my feet perfectly. My swim lessons are way easier now.
Sophie M.
Loved how comfy these fins are, even after an hour in the pool my feet felt fine. Easy to adjust and fit well with my swim bag.
Lucas R.
Took these on holiday and they barely took any space in my suitcase. Super light, and I could swim further with less effort.
Chloe S.
Perfect for quick swims at the pool. I can haul them in my backpack and they don’t weigh me down. So breezy to use.
Grace F.
Used these at the beach all day, and my feet weren’t sore at all. Didn’t have any trouble swimming through the waves, either.