Go Survivor Strong. This impressively slim, ultra-rugged case is built to protect. . Built to meet or exceed Military Standard 810-G standards for durability and protection, Survivor Strong protects your phone if you drop it from 7 (2.1 m) drops onto concrete. It's quite a feat to have a case this thin be so protective, but Survivor Strong was crafted to exceed expectations. Plus, it is incredibly lightweight at just under two ounces. Griffin Survivor Strong contains two Layers. One a rigid inner shell that is shatterproof. The other an outer layer that is durable, wear-resistant and easy to grip, but still slides smoothly into your pocket.