• Back panel and waistbelt have air chambers that can be filled with air to suit your comfort and support needs; removable pump lets you quickly inflate or deflate chambers
• With air instead of metal or plastic as the support system, the pack is impressively lightweight and allows for compact storage when deflated
• Lightweight yet rugged ballistic nylon stands up to regular use; pack features a low-profile, formfitting shape
• Top-loading, separate hydration compartment holds the included 70 fl. oz. reservoir, letting you easily bring water along for the ride
• Main compartment opens wide for fast, easy access to contents; additional smaller pockets help keep on-the-go essentials organized and easy to grab
• Internal gear organizer has numerous pockets to secure a pump, tools, tubes, snacks and more in an orderly, easily accesible fashion; can be removed when more space is needed
• Integrated raincover helps protect pack if you get caught in unexpected wet weather
• Secure your helmet when you're off of the bike with the included helmet holder, which tidily stows away when it's not needed
• Topeak Air BackPack cycling backpack can be packed away in its own bag for compact storage or transport

Imported.