Product Description: Spring Air 3210 Copper Essential Firm Mattress - Copper-infused cooling cover features patented fabric with at least 30% copper yarn, offering anti-inflammatory, anti-viral, and anti-bacterial benefits to support wellness during sleep. A plush copper memory foam layer provides soft, contouring comfort that cradles the body in a cloud-like feel while incorporating copper infusion. A firm comfort foam layer adds durable support, helps reduce motion transfer, and enhances the overall support system. Two layers of medium comfort foam further assist with motion reduction while complementing the mattress’s support structure. The design is completed with a Tri-Zone Encased Coil System featuring 875 fabric-wrapped coils, with a firmer center third to deliver targeted support where it’s needed most.