And although manufacturers provide a ton of specifications and customizations — upholstery material, cushion-fill material ... for all products. The frame provides a sofa’s structure ...

The cushion covers are removable ... but that was from the metal pullout mattress frame, not the couch’s wood frame. The Shelter Sofa's sleeper has a memory foam top, which cradled and supported ...

For sofas, those details are usually textured fabric cushions and arms, with a visible wood frame and supports. In that sense, the Edlow Finch Ashbury Sleeper Sofa is firmly a mid-century modern ...