An airport outfit spends a lot of its day somewhere other than the airport walkway. There is the ride there, the wait at the gate, and the time in a seat with your bag tucked away. Plan for those moments before adding the finishing touches.
Try this starting combination: leggings you already like wearing while seated, a plain tee, familiar walking shoes and one front-opening layer. Then bring a chair and your packed bag into the decision. This is a rehearsal you can do at home, not a reason to buy a new travel wardrobe.
First, sit in the outfit you intend to wear
Sit back against the chair rather than perching on its edge. Keep your feet in a normal resting position and let the clothes settle.
If the leggings press or need constant adjustment, change them before building the rest of the outfit. A favorite workout pair is not automatically your favorite sitting pair, and a high waist alone does not tell you how it will feel. Choose familiar relaxed pants instead if that is what you prefer for the journey.
Now check the upper half. A bulky hood, a knot at the back or an oversized collar may land between you and the chair. Remove the outer layer and compare. If the back detail is what bothers you, a simpler cardigan or zip-front layer is a more useful change than buying different leggings.

Next, take the hard objects out of the equation
Place your phone, glasses case, keys and other small essentials where you expect to carry them. Sit again. If an object in a waistband or pocket presses against you, give it a different home rather than adjusting your posture around it.
Use one small pouch inside the bag that will remain accessible when permitted. Put the items you expect to reach for together, rather than distributing them across a coat pocket, a deep tote and a separate case. Before leaving home, find your glasses or earphones without unpacking the whole bag.
This also frees you from choosing leggings for pockets they may not have. Check the actual garment; do not infer storage from a product photograph or a seam line. Follow your airline and crew's requirements for where bags and loose items belong during the flight.
Make the outfit work without the outer layer
Take off the cardigan or jacket with your packed bag beside you. Does the tee give you the coverage you want on its own? Is there room to put the layer away, or will you have to hold it for the rest of the trip?
Choose the arrangement you can manage with the bag you are actually taking. Keep the useful layer accessible rather than burying it beneath clothes meant for your destination. You do not need multiple decorative layers simply to make the airport outfit look complete.
Add one graphic detail, not another task
For a blue-and-white version, we would pair the Sky Blue colorway of the Dualis Halo Flared Leggings with a plain white tee, a simple gray front-opening layer and the walking shoes you already trust. The leggings' contrast waistband, curved panels and flared legs give the outfit its graphic element. Try them with your actual walking shoes and check that the hems stay clear of the floor.
The tee can cover the waistband if that is your preference. There is no need to keep tucking it in just to display every design detail. Likewise, an extra belt bag is not essential to the look if your small items already have an accessible place in your main bag.
Choose the leggings for how they feel during your sitting rehearsal, then let their panels supply the visual detail. The design does not need to dictate the rest of your packing.
Before you zip the bag
Run through the small sequence once: sit back, remove the layer, retrieve one everyday item, then put it away. Change the one detail that gets in the way.
If your arrival plans require different clothes, pack those separately rather than making the flight outfit serve two incompatible purposes. You can have a considered blue-and-white look without asking every garment to do every job.