The Roadrunner Sports Workout Pants in Black size Medium are designed for comfort and functionality during workouts. Made from 100% polyester, these regular fit pants feature an elastic waist with drawstring closure, and ventilated lining for breathability. The track pants also include pockets on each side, a rear zip pocket for wallet or phone, and side stripes (which might be reflective), making them suitable for various sporting activities. Ideal for both men and women, these lined pants offer a stylish and practical option for those looking for quality athletic wear.