Sleepwalk Sprung Gold The Airsprung Sleepwalk Gold Mattress is a great value mattress which provides the right level of comfort & support that you need for a great night s sleep This mattress contains the more supportive 12 5 gauge Supercoil spring unit which creates a stable & supportive sleeping surface The mattress is covered in a soft & luxurious knit cover with sumptuous micro quilting This product has the added benefit of being rolled for ease of delivery.. .