The 4PK Copper Fit Men’s Performance Workgear Boxer Briefs in size Medium are designed for comfort and functionality. Made from a blend of polyester and spandex, these boxer briefs feature a solid black color and a lightweight, breathable fabric that is perfect for all seasons. The copper-infused material provides added benefits for athletes and people who spend a lot of time on their feet. With a tagless design and stretchy construction, these boxer briefs offer a secure fit without being too tight, making them ideal for everyday wear or active pursuits.