Cooling Mattress Topper King for Back Pain: The ice cooling gel memory foam mattress toppers for back pain is designed to provide cooling benefits as well as tailored assistance for people experiencing back discomfort. To relieve back pain, these memory foam mattress toppers often include memory foam or other supportive material that conforms to the body's curves and relieves pressure. For people with lower back discomfort, the cooling feature helps regulate body temperature and avoid overheating, resulting in an ideal sleeping environment.