Update your closet today with Theory. Shop all the latest designer jackets in our selection. Available in a wide range of colors and styles, these jackets are designed to last. Available in a variety of colours and designs, Theory's jackets will work as well with your weekday workwear as they will with more casual looks. No wardrobe is complete without jackets from Theory. Understated and classic, the label’s range has something for everybody. Your synthetic jackets will become more beautiful with time as long you take special care when maintaining them. Ensure your synthetic stays in its most beautiful condition by cleaning and storing it properly. We suggest always checking the item’s care label before washing. Discover and shop the latest collection of jackets available from Theory.