Here's what other sites are saying:
The Ozone Duplex 65 Travel Pack offers a new twist on modular travel bags for savvy travelers. The Daypack features a robust, capable, and comfortable harness, and the Cargo Bag secures to the back. The Daypack is where you keep your more valuable items; laptops and tablets slide into the padded sleeve, organizer pockets keep things where they belong, and a hidden zippered pocket behind the harness secures your passport, tickets, wallet, and other critical items. For lighter items that you only need when you reach your destination, store in the Cargo Bag, which includes padded grab handles, an external liquids pocket to speed your trip through security, and a huge U-zip opening to make packing a breeze. The Ozone Duplex 65 Travel Pack is designed to fits 17-22 in. torsos.. . Main: 210D Nylon Honey Comb Contrast Thread. Accent and Bottom: 450D Packcloth. Carries The Day: The daypack
Store the daypack and cargo bag separately on the plane, then carry everything on your back to your destination. The Osprey Ozone Duplex 65 offers comfortable carry and smart organization.