read more This backpack was designed with an ultra lightweight harness to keep the air flowing when you're adventuring.Fabric is water-repellent, durable, and easy to wipe cleanFeaturesDesigned for: RunPhone pocket: Quick-access phone pocket helps keep you connectedMolded back panel: Shaped to be comfortable and breathableReflectivity : Reflective detailing helps keep you on the radar in low light Waistband straps: Waistband straps provide stability for a low-bounce runSide stash pockets: Pockets hold extra gear when you're on the goCustomize the fit: Removable waistband strap and adjustable sternum strap let you customize the fitVolume: 13LDimensions: 23cm x 41cm x 15cm (9" x 16" x 6") Lululemon Run All Day Backpack II *13L