Ortho Series by Eclipse is the culmination of years of research and development. As our spines are naturally curved, a very hard mattress can cause aches and pains on our delicate pressure points, which is why Eclipse’s Ortho Series – the most advance version of the firm mattress – has been uniquely designed to achieve a balance between support and comfort. These Orthopedic mattresses are best mattress for back pain that made of Eclipse high density PUF to provide enhanced lumbar support and quilted with a soft and plush steam-treated fabric.