The Castelli Gear Backpack has been designed to be a commuting backpack option, while also having the right dimensions so it can be used as carry-on luggage on flights for a cycling getaway. To fend ...

I've used the Beis backpack for three years now, on over 30 week-long vacations and weekend trips. I've packed it for a trips across the country, along with local overnight stays at a friend's house.