India, July 15 -- If ever a bag could launch a thousand trips, it would be the Lululemon Everywhere Belt Bag. Mine, whom I fittingly named "Helen," has been to all seven continents and 50-some countries. Coat rack, hotel closet, or in the console of my car, Helen is never in one place long enough to collect dust. Whether I'm jetting off to Australia or road tripping through South Dakota, the sling bag is always around my waist, across my body, under my arm, or over my shoulder. I simply can't justify leaving Helen at home.

For starters, it's incredibly versatile. It's the little black dress of bags and the Swiss Army Knife of accessories. I have it in classic black. And because of its elevated athleisure-esque design (think: somewhere b...