The Gear4 Battersea Case is equipped with D3O. This high-tech material provides unparalleled protection against drops and is used by Olympic ski teams as well as the military. Gear4 equips its cases with D3O to offer your smartphone protection from drops, bumps, and shocks. As the first case manufacturer to use the latest generation of D3O, Gear4 maximizes protection from every single cubic millimeter compared to similar materials. This allows Gear4 to deliver cases that are ultimately slim, stylish, and protective, making a crucial difference for you and your smartphone, whether during major events or minor accidents.