From silky-soft leggings to sweat-wicking tees, we have curated a list of the best buys to keep you comfortable and put together for your next trek through TSA. Our selection includes Lululemon bestsellers like the Define Jacket and Everywhere Belt Bag of course, but also vacation-ready styles and travel accessories that have been hiding in plain sight, such as stylish running sneakers and airy skorts for strolling around a new city. Ahead, our picks.