Perfect all-round commuter or path percent that expands on call for for larger flexibility. With one zip of the growth panel your general shipment quantity expands over forty%. And no matter what you might be sporting the air-mesh harness hip belt and adjustable sternum strap stay your load neatly-balanced and relaxed. Media pocket protects your phone iPod digital camera or different gadgets even as conserving them shut to hand. Reflective again strip with tab to click on on a blinker for early morning and night time protection. 2L Antidote reservoir assists in keeping you neatly hydrated. Dimensions: Open: 19.25 X 8.875 X 9.5 in. Closed: 19.25 X 8.875 X 7.25 in / Open: 49 x 22.5 x 24 cm. Fabrics: air mesh with slider sternum strap.