Harness the power of antimicrobial silver for fresh, funk-free confidence in the Jockey Sport® Silver Solution Microfiber Boxer Brief. Engineered with inherent silver ions, our soft, stretchy microfiber helps fight odor-causing bacteria on the underwear while you work, exercise and travel. Paired with Staycool+® technology to help evaporate sweat and keep you feeling cool, dry and confident, you'll love this pair's built-in support with a no-gap fly and horizontal-fly design. Best of all? Wash them as much as you'd like—silver ions will stay active and fight odor for the life of the garment. We guarantee it.