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 |
ONE FINGER Padded Brief
Description
Description
One finger can save your life. An early check-up may keep you out of risk. We care about our grandfathers, Dads, Uncles, you. It is estimated that 375,304 men will die globally in 2023 of prostate cancer. Rounderbum’s One Finger collection made with luxurious modal fabric, so soft on your tush. We will donate proceeds to prostate cancer research, we have your butt covered.
For those who love our [PADDED Tech]:
MAKE THAT BUM ROUNDER THAN EVER!
Remember those old boring tighty-whities? Well, here they are reinvented! Introducing the next generation of technology briefs that shape your butt like never before!
Featuring hidden padding that provides instant volume and definition. Cover your entire backside without all that extra fabric found in boxer briefs, boxers or trunks.
Feel great in your own skin!
Superior comfort and design in men's shapewear.
FEATURES
- [PADDED Tech]®
- More bum instantly
- Modern fit brief
- Round Bum Effect
- Permanent padding
Fabric
Fabric
Care Instructions
Care Instructions
- Reviews
- Questions
CanadaComfortable
Extremely comfortable! Feels like I’m not wearing anything at all!
Rounderbum Canada
Thank you Yama! Hope you enjoy a lot your Padded briefs ;) Warm regards!
United States United StatesGreat underwear
Just love it ,fits wonderfully and the padding is great , will get more ,more
Rounderbum Canada
So thankful for your kind words! :) Hope you enjoy your brief so much!
United StatesIm very happy!
Muy New product is confortable and preatty
Rounderbum Canada
Thank you Gabriel, so glad to know you like them :)
United StatesAbsolutlyLove
Love these new one finger briefs
Rounderbum Canada
Thank you Val! Happy you had a great experience :)
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.