Harness the power of silver for fresh, funk-free confidence in the Jockey Sport Silver Solution Microfiber Long Leg 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.