Lululemon Run All Day Backpack II *13L. Incognito Camo Multi Grey / Black. Barely used. This backpack was designed with an ultra lightweight harness to keep the air flowing when you're adventuring. water-repellent fabric Fabric is water-repellent fabric. Water-repellent features Designed for: Run Reflectivity: 360º reflectivity helps keep you on the radar Waistband straps: Waistband straps provide stability for a low-bounce run Phone pocket: Quick-access phone pocket helps keep you connected Molded back panel: Shaped to be comfortable and breathable Storage: Side pockets Customize the fit: Removable waistband strap and adjustable sternum strap let you customize the fit Stash your gels: Pockets on harness for easy access to gels Dimensions: 23cm x 15cm x 41cm (9" x 6" x 16"), 13L Volume: Volume: 13L