Want a minimalistic way to protect youror /4S? Take a look at AL13, the ultra-thin aerospace aluminum may be able to meet your requirements.
The AL13 is a gorgeousand available in two types for iPhone 5 and iPhone 4/4S. As we can see from the images, the iPhone bumper features modern minimalistic design, and weights less than 16 grams, but it’s made from strong aerospace aluminum plus raised edges and rubber lining in order to protect your iPhone 5 or iPhone 4/4S from bumps and scratches without altering the look of your iPhone, and the simple slide cover allows you to apply the iPhone bumper on your device without the need for screws and tools. Apart from that, the custom cutouts let you access all the buttons and functions, and the high impact, anti-glare polyurethane screen protector protects the precious Retina display.
At present, the designers of AL13 is raising fund at Kickstarter. Pledging $65 will let you own the aluminum bumper for iPhone 5, $45 for the iPhone 4/4S bumper. If you’re interested, jump to Kickstarter official site for more details. Update: the aluminum bumper is also available at BiteMyApple for $79 USD.