Offering a firm orthopaedic support & exceptional value for your money, the Shire Ortho Chatham is one of our best buy single mattresses. The mattress is expertly tailored in durable damask fabric with a macromatic quilted panel design that gives the sleeping surface a smooth finish. At the mattress core is a 12.5 gauge open coil spring system. The coils are constructed into one single unit with helical wire that joins the coils at the top & bottom to form several rows. An outer rod edge is then fitted around the perimeter of the finished structure, this provides additional strength & support. The spring unit is encased within generous layers of orthopaedic fillings, ensuring a comfortable & supportive sleep surface. Please note, this is a dual sided mattress & it will need to be flipped & rotated regularly, this evens out wear & tear for long-lasting comfort. Manufactured by Shire Beds in the UK, the Chatham is an affordable single mattress with a firm orthopaedic support. Order Now. Technical Specifications FEATURES BENEFITS Macromatic quilted cover Ensures a comfortable & flat sleeping surface. Damask cover Traditional hard wearing & durable cover in a timeless woven design. Hypo-allergenic fillings Fillings are anti-microbial & inhibit bacteria, fungi & house dust mites. Particularly beneficial for people who suffer from respiratory problems. 12.5 Gauge open coil spring unit One of the firmest spring systems used in mattress manufacturing. It is supportive & extremely robust & durable. Especially ideal for beds that are likely to take a lot of wear & tear. Heavy gauge rod-edge A thick perimeter wire that reinforces the mattress edge & helps prevent collapse of the mattress at the edges that are regularly sat on. Firm support The most popular level of support that suits all but the heaviest or lightest of people. The majority of our customers choose this support level.