Fall airport outfit idea: loungewear pullover and sweatpants set from Alo, cateye sunglasses from Miu Miu, and backpack from Sweaty Betty falloutfit airportoutfit backpacks sunglasses loungewear backtoschool LTKSeasonal LTKitbag LTKtravel LTKsalealert LTKU LTKfit LTKstyletip LTKunder100