Transform the way you sleep for the better with the Mt. Dana Ltd. Firm mattress from Sierra Sleep by Ashley. A 720 (Queen) “True Count” Power Packed 15 Gauge Wrapped Coil System respects the contours of your body, giving you personalized support along with the 1” High Density Support Foam. Additionally, 2 Perimeter Rows of 13 Gauge Wrapped Coils give you extra Edge Support. A layer of High Density Lumbar Support Gel Memory Foam, a layer of High Density Firm Upholstery Grade Body Foam, and a layer High Density Firm Zoned Sculpted Pressure Relief Foam provide unbeatable comfort that acts as if they were made specifically for your body. Finally, a High Density Firm Quilt Foam, a Luxury Cotton, and a High Loft Comfort Fiber reside in the top of this mattress for firm support. This mattress is ideal for stomach and back sleepers.