The Tech21 Impact Shell is sleek and minimalistic in design. The Impact Shell encases the corners and back of your device, providing a secure fit. Access to all ports and function buttons create the perfect protective solution. D3O ® is a patented protective material that combines enhanced chemistry with product engineering to produce high performance shock absorption and impact protections solutions. The same revolutionary technology is used by the US Special Forces and Ministry of Defence as well as in Sports such as motorcycling and skiing.