Under Armour Women's Fly by Perforated Run Short Perforated woven fabric delivers superior breathability & comfort. Material wicks sweat & dries really fast. Stretchy covered Elastic waistband with internal drawcord. Shaped hem delivers enhanced coverage without looking big & bulky. Built-in brief for enhanced coverage. Front hand pockets with hidden back storage pocket. Reflective details deliver greater visibility on low-light runs. Inseam: 3". Polyester .