The Nike Dry Challenger Running Short delivers lightweight coverage and sweat-wicking support that lasts. Side panel mesh adds cool ventilation for comfort that goes the distance. Features Nike Dry fabric helps you stay dry and comfortable. 2" inseam allows great range of motion. Internal pocket secures small items. Elastic waistband has an internal drawcord to personalize the fit. Reflective details enhance visibility in low-light conditions. Mesh side insets enhance breathability.