Outside. And with the pixies in question being likely to be boys.
Fortunately, it's fall, and soon to be winter. She can wear suitable outer garments.
I think I will have her reflect on the season and be glad of it, and resolve that no matter how balmy the weather, she's going to wear a shawl -- or possibly a wrap -- and one that clearly has a wrong side. Otherwise -- I suppose it would be practical to turn her stockings inside out. But she would have to hope for somewhere to sit, or her dress would be -- well, not ruined, it's a walking dress, not a gown. But in need of the laundress.