When he meets Carrie, Aidan is working in his furniture store wearing baggy blue jeans, a button-up-denim shirt, and a necklace.
Throughout the two seasons John Corbett played Aidan on the show, his character went through a style evolution. His hair was cut, he dropped the bohemian-looking clothes and accessories, and began dressing more sophisticatedly after Aidan and Carrie's first breakup.