Duo by Devicewear for the iPhone 5. Dress up or dress down? Now you can have it either way. The Duo for the iPhone 5 comes with a multi-tone case that is made of an inner and outer shell. You can easily snap the outer shell off or on, depending on your mood. The inner shell is made of a soft, matte material that is shock-absorbent and flexible. The outer shell adds another layer of low-luster protection that has a soft finish with a tad more polish. If you want style and versatility all in one tidy package, the Duo by Devicewear for the iPhone 5 is the case for you.