A correct sleeping posture is essential for a good night's sleep. Adequate pillow contributes. The Harley pillow ensures a comfortable and relaxed sleeping position. If your head is in position, neck and back also enjoy a relaxed posture. There are two types of pillows Harley: Original and Harley Harley Designer. Original Harley: - molded polyurethane padding for extra help - Anatomical shape - Optimal ventilation - Incomparable Comfort Harley Designer: - Memory foam padding for better pressure distribution - Anatomical shape - Optimal ventilation - Unparalleled comfort - Relieves pressure Both versions are also available as travel pillows. Small, easy to transport with the bag provided. 2 year warranty on all Harley pillows.