The Scott Living SL Hybrid SS mattress, by Restonic, is a ship able, mattress-in-a-box . 12" of Cool Comfort. Supported with a 5 zone individually wrapped coil unit with edge support. Layers of foam, including Gel Memory Foam, for a cooling, pressure relieving support. Topped with a COOL fabric Cover, a Restonic exclusive cool to the touch, soft cover. With delivery in a box this is a perfect way to get a quality mattress into hard to get to spaces.