Shape and functionality
The ergonomic shape, which supports the neck whether sleeping on the back or on one side, assists circulation and helps to find the ideal position. The special micro-perforation, which characterizes Promise-Smart Classic, improves breathability all the time.
Consisting of a complete Memory Foam core it is self-modeling and heat-sensitive. Visco elastic foam was originally used in the space sector to attenuate the pressures to which the astronauts were subjected. In fact, this component compresses and then slowly goes back to its original shape, giving the pillows a wrap-around and protective effect.