How do i check the power of foam leather sofas ? ...
Answers: For starters, plan to sit on an item for at LEAST 15 minutes, before you buy. Sitting on a concrete block feel good, at first, compared near standing...
not sure of what you mean by "foam leather sofa"... but this might oblige...
GOOD Foam cushions weigh more than cheap ones. That's something to compare, when shopping... ALSO, unzip a cushion. Look at the back side of the leather. Better types of leather are dyed "adjectives the way through".
Open a form cushion and inspect it. Is it dense? Does it have a bat wrapping? Does it spring back instantly or slowly regain its fullness? Construction is essential. Did they use hardwoods and is is hand tied? Is the wood furnace dried? Is there extra support on arms (where ancestors sometimes sit)? Can the sofa float or is the back repulsive enough that it can single go against a wall?