Simmons technologies reflect the brand's commitment to your satisfaction. Every day, we innovate in order to offer you the best sleeping experience. Our research has led us to develop seven different technologies: Cable Coil, Twinsoft, Fullsoft, Duetto, Sensoft Evolution, Sensoft Evolution Ultimate, Sensoft(R). These technologies belong to a single collection, so your choice is made easier and guided according to your needs. Indeed, each of our Simmons springs meets a need: back support, No Flip (R) system, sleeping independence, etc. All our springs are individually pocketed, which gives you perfect sleeping independence.