The 106-31 sofa is part of the Choices Sleeper program where you can select between a track arm, roll arm or a wedge arm. Then select a cushion back or tight back (as shown). Finally select your mattress (memory foam mattress is shown). You can also select between twin, full or queen size sleeper. Shown in body fabric Club Vintage. Available in other fabrics by special order. Innerspring mattress available (subtract $150). See store for details.