The Chester Firm features a luxurious soft-to-touch fabric for a truly comfortable feel.Sealy have a range of features that help assist in temperature management of the body.These features include: SmarTex, a dynamic textile treatment designed to wick away moisture and heat to give you a comfortable sleeping environment. Spacer Breathable Gusset fabric helps to improve ventilation and airflow throughout the night Fibre that helps to insulate the body all year round. High density comfort layers are combined with ComfortCore, a gel layer that provides pressure relieving conformance to the lower back where it's needed most.Featuring exclusive Sense & Respond Technology, designed to sense the body's weight and respond with the appropriate level of support. Sealy's one-of-a-kind SRxII titanium alloy support system is strong, resilient and durable and delivers both initial soft response and firmer deep down support. Alternating coil columns deliver maximum stability and help minimise lateral movement.The spring unit is encased by UniCased, a superior mattress edge support that provides a full edge to edge sleep surface and a firm seating edge. Pair this mattress with a Sealy Posturepedic Designer bed base. Featuring DuraFlex modules, designed to work with your mattress to disperse the shocks and stresses placed on the mattress over time.