Double mattresses measure 4 feet 6 inches (135 cm) in width and are available in a variety of styles and designs to suit your preference. Choose from spring, memory foam and hybrid options to find the perfect balance of comfort and support. Whether you prefer the traditional feel of a spring mattress, the contouring comfort of memory foam or the innovative combination of both in a hybrid, our selection ensures you'll find the perfect match for a restful night's sleep.