The tricky transition from summer to fall calls for some preparation—a light jacket. Our favorite is the denim jacket. Denim jackets are back in season and look great this time of year. They look stylish when layered over T-shirts for a casual look, or even over button-down shirts for a more polished 'fit. The best brands have been playing up the fall staple in acid wash and patchwork denim. Check out The Coolest Denim Jackets Right Now.