Men's Sports Underwear specially designed for running and fitness enthusiasts Made from high-quality regenerated cellulose fiber fabric with excellent breathability and moisture-wicking function, keeping you dry and comfortable even during intense workouts. The extended length design effectively prevents inner thigh chafing, solving friction problems during exercise The crotch features over 95% spandex lining that provides outstanding elastic support and comfort. Seamless technology ensures invisible wear and reduces skin irritation. Mid-rise design offers perfect wrapping feeling, neither too tight nor too loose Suitable for all seasons, providing appropriate wearing experience whether for summer running or winter fitness. Multiple size options from L to 5XL meet the needs of men with different body types. Four fashionable colors available: classic black, elegant gray, vibrant purple, and stylish royal blue This sports boxer shorts is an ideal choice for various activities including running, gym workouts, basketball, providing comprehensive sports protection and comfortable experience