High-density foam is encased to all mattress coils. This system is provided to make more usable sleeping areas, so you can sleep right up to the edge without a "roll-off" feeling and to help prevent sagging borders
Features
High-density foam is encased to all mattress coils. This system is provided to make more usable sleeping areas, so you can sleep right up to the edge without a "roll-off" feeling and to help prevent sagging borders