Molly Sims looked cool and casual while traveling in her black leather moto jacket paired with Isabel Marant 'Ulano' crystal-embellished jeans ($1,590 at netaporter.com).

If your style requires more than simple jeans and a t-shirt, maybe model Karlie Kloss can be your muse. She gave fans major fashion inspo when she arrived at the Dior Show during Paris fashion week in a black tulle maxi skirt, white bandeau top and zippered utility blazer.