The Ice Copper Collection contains the Heavy Gauge 768 Quad Pocket Coil innerspring unit. The Heavy Gauge coils give support to all body types, while being flexible enough to adapt to all shapes and sizes. It is designed to flex and conform to individual body contours to prevent partner disturbance and roll together. Plus it has our Perimeter Edge Support with two rows of firmer coils design to increase sleep surface area and keep you from rolling out of bed. It has a Latex Lumbar Support Layer for added back support and an extra resilient middle upholstery sleep zone. ICY Copper Cover Technology - Copper Infused mattress ticking is the latest feature in the bedding industry. Cold Technology dissipates body heat keeping you cooler at night allowing you a more restful night’s sleep.