Material: Polyester+Spandex.This running shorts with soft, comfy and breathable fabric.Spandex fabric is lightweight and quick-dry,feels cool to the touch,being flexible and resistant to wrinkles and shrinkingDouble Layer Design: Inner undershorts dries faster for maximum comfort,and give leg room to do any sort of movement;Outer layer side split design offer breathability and wider range of motionElastic Waistband with Drawstring Closure : Quick dry athletic shorts with featured elastic and adjustable waistband can great suit your waist,which makes you can do the exercises without sorrow and anxiety, you can adjust the waist size to be tighten or loosen according to your own need which provide you comfortable feeling and prevent it loosingOccasion :great for everyday active,like yoga, pilates,exercise, fitness class, HIIT workout,running,cycling,bike,hiking and travel.This sport short with a built-in panty, they would be fine as a casual wearAttention:Please measure yourself to find your size.If you are in between size,order one size up for a looser fit.