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 |
Beschreibung
Beschreibung
BESCHREIBUNG
Müde von Ihrem täglichen Auftrag? Dann ist dies der perfekte Jock für Sie! Sein innovatives rundes Banddesign erzeugt einen Push-up-Effekt, der Ihre Wangen zu jeder Gelegenheit hebt.
Geben Sie Ihren Kronjuwelen den Komfort, den sie brauchen, und geben Sie Ihrem Hintern frische Luft. Dies ist die erste Unterwäsche, die Sie so noch nie zuvor gesehen haben, dass sie Ihnen vorne Spaß und hinten Party bietet.
Überlegener Komfort und Design in Formwäsche für Herren.
LEGEN SIE DEN SCHMUTZ ZURÜCK IN IHREN KOFFER!!
MERKMALE
- [LIFT Tech]®
- Keine Rückendeckung
- Push-up-Effekt
- Keine Polsterung erforderlich
- Für das Auge nicht wahrnehmbar
ZUSAMMENSETZUNG & PFLEGE
- 93 % Premium-Baumwolle, 7 % Elastan
- Kleidung separat waschen. Verwenden Sie Waschmittel für Handwäsche oder 30 Grad Maschinenwäsche. Bitte verwenden Sie keine Bleichmittel oder Weichspüler. Nicht ausdrücken, im Schatten hängend trocknen oder bei niedriger Temperatur im Trockner trocknen. Kein Bügeln.
Fabric
Fabric
Care Instructions
Care Instructions
- Reviews
- Questions
- butt
- jock brief
- quality
- market
- size
- variation
- support
- lifting effect
- butt look
- cheeks
A comfy boost
A fun variation on a jockstrap, plus very comfortable and supportive.
Rounderbum USA
Thank you so much Nelson, we are so glad to know we met your expectations :)
Very comfortable!
The product was the correct size as expected, it shipped quickly, and I highly reccomend this product!
Rounderbum USA
Hope you enjoy it a lot! :D Regards!
Good
Amazing product
Perhaps the best jock brief right now on the market!
Rounderbum USA
Thanks so much for sharing your amazing comments 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.














