Sling design rides close to your body for comfort and agility, while the removable shoulder strap allows for easy on and off Holds up to a 32 oz. Hydro Flask bottle (not included) 100% postconsumer recycled polyester Air Mesh, body fabric and ripstop lining Stowable support strap keeps the pack in place Interior padded tablet sleeve 2 exterior pockets; 2 internal stash pockets