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
Our tops fit true to size and are fitted, however if you like your tops a little more relaxed, please size up.
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
WHERE IT ALL STARTED.
Our original design gives more gluteal volume and definition, adapting perfectly to every body shape. Its design is practical, discreet and comfortable. It can be used as an everyday underwear, for extreme sports or great for sitting down for long periods of time.
Feel great in your own skin!
Superior comfort and design in men's shapewear.
FEATURES
[PADDED Tech]®
More bum instantly
Long inseam boxer
Round Bum Effect
Removable padding
Fabric
93% Cotton 7% Elastane
Care Instructions
Wash clothes separately. Use detergent for hand wash or 30 degrees machine wash. Please don't use bleach or fabric softener. Do not squeeze, dry hanging in the shade or tumble dry at low temperature. Do not iron.
*Exclusive patented design: USD876,750S
Customer Reviews
Overall rating: 4.8 / 5 from 708 reviews.
They make me feel fabulous when I go out socializing!
Store owner replied:
Hey,
We are absolutely thrilled to hear that our Basic Padded Boxer Brief makes you feel fabulous when you go out socializing! Your positive feedback truly makes our day, and we are so glad our product enhances your confidence and enjoyment.
Thank you for sharing your experience, and we can't wait to see you back at Rounderbum.
Loved the different look it gave me when wearing them, feel so confident
Store owner replied:
Hey,
We are genuinely sorry to hear that the padding in your Basic Padded Boxer Brief did not meet your expectations for enhancement and comfort. Your feedback regarding the thinness of the padding is important to us, and we truly regret that this particular product did not provide the desired results.
We continuously strive to improve our designs and product quality, and your comments will certainly be taken into consideration by our product development team.
Store owner replied:
Hola,
Nos llena de alegría saber que te encanta el Basic Padded Boxer Brief y que lo consideras un producto excelente. Apreciamos mucho tus amables palabras y tu valoración de cinco estrellas.
Nos esforzamos por crear productos de alta calidad que realmente disfrutes y que cumplan con tus expectativas en cada detalle.
Gracias nuevamente por tu preferencia.
Store owner replied:
Hey,
We're delighted to hear that you found the Basic Padded Boxer Brief to offer great fit and comfort. It's wonderful to know our products are meeting your expectations.
Your satisfaction is incredibly important to us, and we are always striving to deliver the best quality for our community.
This product is always the best quality and comfort/fit
Store owner replied:
Hey,
We're absolutely thrilled to hear such fantastic feedback about your Basic Padded Boxer Brief! It's wonderful to know that our product has made such a positive difference for you, delivering the look you desired.
Thanks so much for sharing your wonderful experience!
First impressions is exactly what I was looking for, the material feels quality and Im hoping it lasts. Ordered another 3 pairs
Store owner replied:
Hey,
We're so pleased to hear that our Basic Padded Boxer Brief made such a positive first impression and that you're happy with the quality feel of the material. It's fantastic that you've already ordered an additional three pairs.
Thank you for being a valued customer, and we hope you continue to enjoy your purchases from Rounderbum.
Me equivoqué en el modelo que pedi el procedimiento de cambio muy eficiente
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?
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?
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.