PUMP! Actinium Brief
Amp up your everyday essentials with the PUMP! Actinium Brief - where bold style meets unbeatable comfort. This sleek, form-fitting brief is built for the man who wants a supportive, sculpted feel without sacrificing breathability. Crafted from a high-performance blend of nylon, cotton, and elastane, it delivers the best of both worlds: soft natural fibers for comfort and stretch fabric for a flexible, body-hugging fit.
The low-rise silhouette sits perfectly on the hips, providing a sharp, modern look. A contoured pouch offers natural lift and support, ensuring everything stays comfortably in place, no matter what the day throws your way. The elastic waistband holds firm without rolling or pinching, giving you the freedom to move with confidence. Whether you’re hitting the gym, the streets, or just lounging in style, the Actinium Brief brings the energy you need to keep things charged up.
- Low-rise fit – Sits comfortably on the hips for a sleek, modern look
- Performance fabric blend – Nylon, cotton, and elastane offer softness, stretch, and breathability
- Contoured pouch – Supportive design provides lift and all-day comfort
- No-roll waistband – Stays in place without pinching or digging
Size Assistant
PUMP! underwear
| Size | Waist (in) | Waist (cm) |
| Small | 28-30 | 71-76 |
| Medium | 31-32 | 79-81 |
| Large | 33-34 | 84-86 |
| X-Large | 35-37 | 89-94 |
| 2X-Large | 38-40 | 97-102 |
- Adam S.Verified BuyerReviewingPUMP! Actinium Brief Red/Black / MediumI recommend this productWhat size did you purchase? MWhat is your height? 5'10"Age Range 25 - 34Rated 4 out of 5 stars2 hours agoGreat aesthetics, close fit
Love the look and feel overall, the materials are all high quality and feel great. Only qualm is that as a thicker guy, they did leave lines on every seam, even the vertical ones (which was kinda weird). Otherwise a 5-star pair!
