Tech21 Evo Tactical for LG G4 - Purple Featuring Flex shock, EVO tactical is up to 30% Slimmer and 60% lighter than other Cases and offers advanced impact protection from drops of 2M/ 6.6ft. The EVA tactical case has been designed to complement your customers Phone. It is ultra-thin and super-lightweight. The EVA tactical case has been designed to complement your customers Phone. It is ultra-thin and super-lightweight, offering up to 2M/ 6.6ft drop protection.