Jensen Ambassador+ Mattress. This mattress builds upon everything that made the original Ambassador so beloved, but with an additional touch of exclusivity thanks to the Innergetic® Sonocore latex filling. In combination with a Jensen Sleep III mattress topper, the Ambassador+ becomes a true dream mattress to sleep on.The latex filling not only contributes to optimal air circulation and moisture transport, helping to maintain a comfortable body temperature throughout the night, but it is also naturally resistant to dust mites and bacteria. The Ambassador+ is available in four different firmness levels.Jensen Ambassador+ perfectly adapts to your body with the Aloy® 2.1 spring system (12.5 cm), which provides superior support. The extra soft and elongated shoulder zone offers high flexibility and plenty of space for the shoulders, while the spring system provides optimal support for the lower back.