The backpack grows up.

• Position: WHAT'S NEW? - The Torque, a courier bag from Osprey Packs Inc. - Brief Article - Product/Service Evaluation

We've always harbored a secret desire to be an economist. After all, what other job would allow us to use neat phrases like "the tenuous balance between stocks and flows" or "the invisible hand of the marketplace"? The point is, you've got to love capitalism. Entrepreneurship always rules the day. Take backpacks, for instance. Pretty straightforward, right? That is, until innovative new wrinkles are added to what once basically was an unexciting product and, presto!--consumers are (happily) besieged with innumerable choices. That includes the close cousin of the backpack--the courier bag.

The Torque from Osprey Packs, Inc., Cortez, Colo., simply is...