Shorts Outer: 75% nylon , 25% spandex. Lining: 92% polyester,8% spandex.Quick-drying and Breathable. Stretch Waistband: Elastic waist band with drawstring perfectly smooth fit around your body,giving more coverage. Built-in Liner: Breathable mesh liner provides maximum range of motion. They don't ride up and ride down during sports Inner Pocket : A big pocket at liner is large enough for most phones which let you move freely and confidently. Suitable for yoga, running, gym, fitness ,workout, weight-lifting, walking, swimming, hiking, cardie and daily wear. Women Drawstring Waist Athletic Running Shorts With Liner Inner Pocket womens Double La