Comfort Rx liquid gel-infused orthopedic foam provides pressure-relieving comfort and added support to any sleeping environment. It provides a firmer sleeping surface with more support than memory foam. The five-zone contoured design provides support where you need it the most. Comfort Rx is made of a breathable material that won't overheat and is odor neutralized for a fresh scent. Comfort Rx is enhanced with plant-based ingredients for a lower impact on the environment.