Slim Arms: The Sofa Bed Detail That Makes All the Difference

Arm design is the detail that quietly decides how much of a sofa bed you actually get to use. A pair of heavily padded rolled arms can absorb thirty to forty centimetres of overall width, while a slim tailored arm returns almost all of that to the seat and the sleeping surface. This article puts real numbers to the difference, explains why it matters far more on a convertible sofa than a fixed one, and looks at how slim profiles change the way a piece reads in a room. We give a straight assessment of the comfort trade off and the simple fixes that address it, compare track, tapered, metal frame, shelf and armless styles against different room types, and explain how to balance a slim framed sofa with heavier pieces elsewhere. Measuring guidance covers internal seat width, opened mattress width and delivery access....