Lululemon Athletica An icon—but make it nano. Slide this scaled-down version of our Wunderlust Backpack onto your bag straps or clip it to your favourite accessories to keep your smallest essentials close at hand. Nano backpack with soft fleece texture. Cream color with secure buckle closures. Clip onto luggage traveling through airport security and keep family essentials such as ID, passport, hand sanitizer, extra printed boarding pass, mini stuffed travel buddy and snacks easily accessible.