This novel air backpack from Topeak has a 10.7 litre capacity. There is a separate compartment for the hydration bladder and you can pump up the full length air pocket with the integrated micro pump so the pack is comfortable. Reflective strips and provision to clip on safety lights make this a great bicycle or day motorcycle pack. $199.95 Option Gear Core Organiser $39.95 Visit www.topeak.com.