Step up & down. Provides the possibility for easy step-up and stepdown support with the addition of the RX control unit to further assist in the management of pressure injuries. High specification castellated foam helps with effective pressure redistribution in both reactive and active use. Internal 10-air cell layer offers 2 in 1 alternating pressure when activated by the RX control unit. Single, U-shaped foam base is designed to provide side support and help facilitate transfers. An innovative glide mechanism helps to reduce shear forces when used with an adjustable electric bed. Durable, breathable 4-way stretch cover helps reduce shear and friction. Modular construction. All components are easily and economically replaceable, contributing to a lower cost of ownership. 650 lb. Weight capacity for bariatric users.