Our size guide will help you find the perfect fit. If you have any questions, please use the chat icon below.
Our underwear and top sfits true to size and are fitted, however if you like your underwear/tops a little more relaxed, please size up.BOXER BRIEFS / BOXERS / TRUNKS / BRIEFS / JOCKS
Our underwear fits true to size and are fitted, however if you like your underwear a little more relaxed, please size up.
| WAIST SIZE | ||||||
S |
M |
L |
XL |
2XL |
3XL |
|
|
IN |
28-30 |
31-34 |
34-37 |
37-40 |
40-43 |
43-45 |
|
CM |
71-76 |
79-86 |
86-94 |
94-102 |
102-109 |
109-114 |
T-SHIRTS / TANK TOPS / VESTS
| CHEST SIZE | ||||||
S |
M |
L |
XL |
2XL |
3XL |
|
|
IN |
34-38 |
38-41 |
41-44 |
44-48 |
48-52 |
52-56 |
|
CM |
86-97 |
97-104 |
104-112 |
112-122 |
122-132 |
132-142 |
SHORTS / JOGGERS & PANTS
| 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 |
BRIEFS / SHORTS
| 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 |
Basic Slim Fit Padded Trunk
Description
Description
Style that combines the benefits of two of our cutting-edge TECHS: COMPRESSION + PADDED.
You asked for it and we listened! A double whammy, two-in-one and our FIRST ever [DUAL TECH] garment. This multifunctional boxer is perfect for molding the male figure. The compression around the waist creates a slimming effect instantly while providing lower back support. The pads enhance the buttocks to give them a rounder shape and provide extra comfort when sitting down. We know you will love it just as much as we do!
FEATURES
- [DUAL Tech]®
- [PADDED Tech]® + [COMPRESSION Tech]®
- Get more bum instantly
- Slimming waistband
- Removable padding
- Lower back support
Fabric
Fabric
Care Instructions
Care Instructions
- Reviews
- Questions
- Rounderbum
- butt
- quality
- pad enhancer
- trunks
- medium
- order
- black
- underwear
- site
AustraliaPerfect
Super happy with this product. Very comfortable! Highly recommend :)
Rounderbum USA
Thank you so much Luke, hope you enjoy it a lot :D
United StatesRecent Purchase
I'm totally impressed with the product, the support it gives. Not knowing how they would fit I should have brought a medium instead of a large. Nevertheless, the fit is fine. My next order I'll get it in a medium for added support.
Rounderbum USA
Dear Antoine Thank you for sharing your comments, hope you enjoy your Padded Trunks :D
United StatesBasic Slim Fit Padded Trunk
Extremely happy with the product!!!
Rounderbum USA
Your satisfaction is what drives us :) Thank you for your comments!
United StatesGreat product !!
The only drawback is that it only comes in black, would like this particular style to come in white & gray!!!
United StatesSlim fit
Awesome best fit and low possible
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.