This is the Groove generation.
One simple to way to respect the integrity of your iPhone 5 is by covering it in the Groove case by SKECH. Not only is the Groove designed to enhance the minimalistic lines of your iPhone, but it offers excellent protection with minimum bulk. The Groove is a smooth case, which is made from a shock absorbent and hard-wearing material. The case has a raised outer rim to prevent the screen from scratching and gives full access to touch screen, speakers, and controls.
When your iPhone 5 got its Groove.