Infos & Characteristics Having worked on ergonomic designs for a while, our goal was to push our frame concept to more stiffness, allowing a better support of the back & a lower fit.But something 100% hard was not an option: Our back needs some adaptability & human morphology is unique. So here comes the ECLIPSE, a skilful balance between stiffness & flex that brings support where you need it and the freedom to move the way you want. STIFFNESS90% LIGHTNESS95% DURABILITY95%