The original pillow features an ergonomic design to perfectly support your neck.Ergonomic design to perfectly support your neck. Perfect for traveling, the contoured design follows the natural curve of your head to properly support your neck, head and shoulders when you sleep on your back. Due to the unique shape of the pillow it adapts to your head shape and temperature for personalized support. The intricate shape follows the curve of your body for ultimate support, while still maintaining a smaller format perfect for when you’re on the go. Unlike other pillows, it will keep its shape for years to come.