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If you're going to be throwing your iPhone about the place, or fighting hungry bears off with it, you're going to need an case that can keep up with your active lifestyle. One of the toughest cases on the market is the Griffin Survivor.
Tested and certified to meet or exceed US Department of Defense Standard 810F and UK Department of Defense Standard 00-35, the Griffin Survivor case is designed from the inside out to protect your iPhone from a variety of extreme conditions, such as dirt, sand, rain, shock, vibration and a whole host of other environmental factors.
Many would call this case overkill, but if you're going to be subjecting your iPhone to harsh conditions, this case will help make sure your handset lives to fight another day.
Fits both the iPhone 4 and 4S.
Image credit: Griffin