Our mattresses, mattress toppers, and pillows are made for the deep, restful sleep that you've always dreamed of. Mattresses can be temperature-sensitive, hardening in the winter then turning overly soft in summer. Our All Climate Cooling Gel top layer is weather-resistant to keep this mattress at the medium-firm feel it was designed for any body type, any sleeping style, and any season. Alternative latex foam provides responsive support to lift and align your spine, creating a zero-gravity sleep experience.