The main theme is that we should not neglect old and functional things just because they are old and can look ugly.
Explanation:
Although you have not presented any answer option, we can see, by reading the text, that the main theme is that we should not neglect old things that are functional and do us good, even if they look ugly and are not stylish. This can be seen in the moment when Taylor had to go back to wearing the old shoes because the new shoes caused cramps and hindered her in the game.
