Combining fashion with function, it’s no wonder Theory's men's jackets are so covetable. 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. The label’s designs come in a range of colours and textures, too. Kick-start the new season with pieces you’ll want to add to your wardrobe. Shop the full Theory collection today.