The offices of Patagonia occupy a low-slung complex of stucco buildings in this sleepy beachside town in Southern California. There are solar panels and picnic tables in the parking lot, day care with a jungle gym by the main lobby and easy access to the beach, where employees surf during lunch break. It is a corporate Eden of sorts, where idealistic Californians run a privately held company that sells about $1 billion of puffy down jackets and organic cotton jeans each year...