These pillows adapts perfectly to the shape of the body, provides good support for the cervical vertebrae and prevents morning head, neck and shoulder pain. It helps prevent problems with the cervical section of the vertebrae, resulting from remaining in an incorrect position for a long time. It increases sleep comfort.The pillow has series of grooves ensuring good ventilation and head massage. The rounded shape of the front part of the pillow reflects the head movement during sleep (shifting the head forward and backward).