Tech21 Evo Check for iPhone 6/6S - Clear/White Evo check for iPhone 6/6S in clear/white featuring flexshock. Flexshock is ultra-thin, super-lightweight and absorbs and repels the energy of impact and disperses any remaining energy away from it-so you have an added layer of protection. Scientifically proven impact material which absorbs and dissipates impact A slim-fitting design with access to all Features of the Device