The charcoal-infused Cypress Memory Foam mattress not only offers amazing contouring comfort, but also controls temperature and wicks moisture. To ensure that you only focus on being dry, cool, and comfortable, our highly effective charcoal-infused foam works hard. Foam is polyurethane-based CertiPUR-US Certified and has been tested to ensure that it complies with organization’s strict criteria for emissions, content, performance and durability.