Look for a foam density of at least 1.8 to 2.0.

The Sundays Get Together Modular Sofa is currently ranked as the #1 choice for its blend of durability and polished modular design.

A foam core wrapped in a down or feather jacket provides the softest "sink-in" feel but requires regular fluffing. In-Store vs. Online: Which is Better?

Sinuous (S-shaped) springs. These are common in mid-range quality sofas and offer excellent support if they are made of heavy-gauge steel. The Cushion (The Comfort):