Keep your momentum going in the Nike Dri-FIT Challenger BF Shorts. Constructed with soft, lightweight woven fabric featuring Dri-FIT technology, these running shorts keep you dry and comfortable through the miles. The side vents help you move freely through your strides, while the comfortable pocket eliminates the worry of irritation when you move from the track to the gym. Designed for running and training, the Nike Dri-FIT Challenger BF Shorts keep you fresh while you strive for a better time. Nike Dri-FIT Challenger BF Shorts features: Brief lining offers lightweight support. Mesh side panels provide breathability and comfort. Hook-and-loop back pocket keeps the phone secure. Hand pockets help stash essentials. Body: 100% polyester; Lining: 92% polyester/8% spandex. Imported.