Swim Faster, Feel Comfortable Every Lap
Enjoy every session using lightweight, flexible fabric that moves freely. Quick-dry material keeps you feeling fresh after every dip. Designed for active people, these shorts fit snugly and stay put. No distractions, just smooth movement through every stroke.
Streamlined Fit
Threo design shapes closely, helping reduce drag in water. Focus stays on every stroke, never on loose or shifting gear.

Quick Drying
Material sheds water fast, so you finish dry and happy. No damp, heavy feeling after swimming or training sessions.

Flexible Comfort
Threo trunks stretch gently, giving easy movement at all times. Feel free whether competing or relaxing by the pool.

Size guide

TO MEASURE YOURSELF:
Stand straight with your arms hanging naturally by your sides.
Wrap the measuring tape around the thinnest part of your waist.
| SIZE | WAIST | |
|---|---|---|
| cm | inch | |
| L | 63-70 | 24.8-27.56 |
| XL | 73-77 | 28.74-30.32 |
| 2XL | 80-83 | 31.5-32.68 |
| 3XL | 87-93 | 34.25-36.61 |
| 4XL | 97-103 | 38.19-40.55 |
| 5XL | 104-113 | 40.94-44.49 |
| Size | US | UK | EU | Foot length | |
|---|---|---|---|---|---|
| cm | inch | ||||
| 35 | 5.5 | 4 | 35 | 23 | 9.06 |
| 36 | 6 | 4.5 | 36.5 | 23.5 | 9.25 |
| 37 | 6.5 | 5 | 37 | 24 | 9.45 |
| 38 | 7 | 5.5 | 38 | 24.5 | 9.84 |
| 39 | 7.5 | 6.5 | 38.5 | 25 | 10.04 |
| 40 | 8 | 7 | 39 | 25.5 | 10.04 |
| 41 | 8.5 | 7.5 | 41 | 26 | 10.24 |
| 42 | 9 | 8 | 42 | 26.5 | 10.43 |
| 43 | 9.5 | 9.5 | 43 | 27 | 10.86 |
| 44 | 10 | 10 | 44 | 28 | 11.22 |
















H***Z (verified buyer)
New Zealand
If you like to swim fast, try these. Easy to move in, dry super quick, and don’t lose color after many washes.
M***R (verified buyer)
New Zealand
Took these to water aerobics, and I’m impressed! They always stay in place, and the quick drying makes changing easier.
T***S (verified buyer)
New Zealand
Great for spending long days at the pool. They always stay snug, and I like how light they feel compared to others I had.
J***F (verified buyer)
New Zealand
Fits great, dries super fast.
N***M (verified buyer)
New Zealand
I get bothered by heavy trunks, but these never feel heavy even after hours. Flexible and really fast to dry!
D***D (verified buyer)
New Zealand
Best swimwear I’ve used! I don’t have to keep adjusting them, and they look really cool too. Quick-drying is a big plus.
R***C (verified buyer)
New Zealand
Awesome for my morning swims. They never get heavy even after lots of laps. The stretchy fit is the best!
L***B (verified buyer)
New Zealand
I’ve used these shorts all season, and they still look new. Super durability. Plus, they’re always comfy to wear.
C***K (verified buyer)
New Zealand
Really sleek looking, and they let me swim fast. I can enjoy every swim because they never slip or sag.
J***H (verified buyer)
New Zealand
I wore these all afternoon by the pool, and they dried fast after every swim. They’re soft but stay up, even when I dive.