Our size guide will help you find the perfect fit. If you have any questions, please use the chat icon below.
SWIMWEAR
| WAIST SIZE | |||||
S |
M |
L |
XL |
XXL |
|
|
IN |
28-29 |
30-31 |
32-33 |
34-36 |
37-38 |
|
CM |
74-78 |
79-84 |
85-88 |
89-93 |
94-100 |
Description
Description
The innovation and technology that define Rounderbum have been translated into the new swimwear line. Make a splash this summer with our H2O collection, the ultimate all-in-one solution for pool parties, sipping cocktails on the yacht deck, splashing in the surf, or cooling off in the pool.
We re-engineered it for a better fit and much more attractive appearance. We feature our Smart Cup Tech for a supernatural package fall and appearance. We also incorporated our signature Padded Tech with permanent padding for easy care and durability.
FEATURES
- [PADDED Tech]® + [PACKAGE Tech]®
- Round Bum Effect
- No VPL ‘s (visible penis lines)
- No Show
- Permanent Padding
- Package Enhancer
- Quick Dry
- Machine wash cold. Use mild detergent. Please don't use bleach. Hang to dry. Do not iron. Do not soak.
Fabric
Fabric
Care Instructions
Care Instructions
- Reviews
- Questions
- swim brief
- rest
- chance
- body
- backside
- padding
- confidence
Perfect shape!
I’ve never worn a swim brief before but with the back padding, I decided to take a chance and it looks amazing! That little extra in the backside was just enough to give me the confidence to show off the rest of my body and, honestly, it felt great. Absolutely will be buying more!
Rounderbum USA
Thank you Tony! We are so happy to know you are enjoying your Swim briefs :D
Our Techs
FAQ about shapewear
Do men use shapewear?
Do men use shapewear?
Men’s shapewear is on the rise — and for good reason.
More guys are asking, “Why should only women have these options?” From all walks of life, men are shopping shapewear to look and feel their best. Whether it’s smoothing love handles, lifting your butt with padded underwear, improving posture, or recovering post-surgery — men’s shapewear does it all. And let’s be honest — who doesn’t want a more toned, confident look?
Is it good to use shapewear?
Is it good to use shapewear?
There’s nothing wrong with wanting to feel your best — and men’s shapewear can help.
It’s great for improving posture, supporting post-surgery recovery, and boosting confidence for special events like weddings. Whether you’re looking for a more lifted look or just want extra comfort during long days, our men’s padded underwear delivers both support and style.
What does shapewear do?
What does shapewear do?
At Rounderbum, our goal is to help men everywhere feel great with shapewear.
But it does more than just boost confidence — our padded briefs add lift and volume to your butt, helping clothes fit better and adding comfort during long flights or desk time. Our compression shirts aren’t just for shaping your torso — they support better posture and are a great option for post-surgical recovery too. Shapewear isn’t just about looks — it’s about feeling good all around.




































