Speck MightyShell Case Users would never guess that MightyShell harnesses over 2x military-grade drop tested protection into such a slim, sleek composition. Its three layers use Radial Impact Geometry which provides a spring-like rebound to absorb shock. Plus, MightyShell is covered by a Lifetime Warranty that's designed to stand the test of time, so the device can too.Product Features: 2x military-grade protection. Tested to 2x the requirements for MIL-STD-810G military-grade drop-tested protection. Radial Impact Geometry. Inner walls compress on impact to absorb shock using Specks exclusive Radial Impact Geometry. Raised inner springs cushion phone from all sides without adding bulk. No slip grip. Rubberized texture on perimeter bumper provides superior control and comfort for quick calls and fast fingers. Extra screen safety. Bezel rises above phone screen to provide ultra protection against drops, while grippy texture of bezel prevents sliding on smooth surfaces.