Best Mattress Toppers for Back Pain: If you suffer from back pain, the 3-inch gel memory foam mattress toppers are here to provide the relief you need. Designed with excellent spinal alignment in mind, they promote proper posture and ease discomfort associated with back pain. Wake up feeling refreshed and without any aches or pains with these well-chosen 3-inch gel memory foam mattress toppers. Made in a high-density support form, it provides optimal support for spinal alignment, promotes proper sleep posture, and alleviates sleep-related discomfort.