Max out that stride. We designed this running skirt with a built-in liner and strategic ventilation so you can move freely. Lightweight, Swift Fabric Four-way stretch Sweat-wicking Quick-drying Built-in liner Mesh fabric panels for ventilation A discreet zippered pocket in the seam for small items Stash your stuff in the side drop-in pockets on the short liner Continuous drawcord is easy to cinch and won't get lost in the wash Reflective details New with tags Size 4 Measurements in photos