The Ambassador has been designed to encompass the Flex Fit 8000 base. As our most deluxe base, it is beautifully soft to touch, with no hard edges to bump in to. This fully adjustable base was created to work in harmony with your mattress to provide continuous support, whichever position you lie or sit in. Reading the morning paper in comfort, relaxing with a cup of tea and easing aches and pains are all made easy with the Flex Fit 8000 base.