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 |
Description
Description
Do you have a date tonight? Rounderbum's Sexy Nights offers irresistible underwear, giving you that seductive touch you've always wanted. Crafted from mesh and bamboo, this collection fits your body like a second skin, revealing captivating allure from every angle. Thanks to its patented ANATOMIC TECH® and two styles, Mini Trunk and Boxer Brief, immerse yourself in the appealing design and highlight your sexiest side. Rounderbum's new Sexy Nights collection enhances your skin and gives you unparalleled sensuality.
Its patented design is anatomically correct so your crown jewels can hang comfortably. The V-shaped seam defines your gluteus to look more maximus than ever. It feels so natural that you will forget you are wearing anything at all. This is the underwear you never knew you needed!
Superior comfort and design in men's shapewear.
FEATURES
- [ANATOMIC Tech]®
- Free fall pouch
- Contours buttocks
- Curvy effect
- Undetectable to the eye
Fabric
Fabric
Care Instructions
Care Instructions
*Exclusive patented design: USD874,090S
- Reviews
- Questions
- underwear
- skin
- material
Sexy Nights
A great fit. The material feels great on my skin. Definitely rounderbums most sexy underwear yet. Can’t wait to see how my night ends in these
Sexy Nights
A great fit. The material feels great on my skin. Definitely rounderbums most sexy underwear yet. Can’t wait to see how my night ends in these
Rounderbum USA
Thank you very much Vaughan! Hope you enjoy your mini trunks :D
Great boxer
I absolutely love it, very sexy
Rounderbum USA
Thank you for sharing your purchase experience with us ;)
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.








































