Belt offers multi-directional limited stretch that contours body and eliminates bounce; Updated holster design that provides easy, one-handed, on-the-fly access to hydration and nutrition; Two 10oz / 300 mL flasks with Push-Pull Blast Valve caps; New large expandable front zippered pocket designed to fit most phones; Exterior mesh pocket for easy fast storage; Two shock chords with one-pull tension lock at sides for extra capacity; Elastic keepers neatly hold excess straps; Printed Reflective logo offers 360-degree reflectivity for added visibility in low-light conditions