CoolTemp™ fabric coverAdvanced fabric, quilted over three layers of cushioning, temperature-regulating foam, uses phase change technology to create a soothing, cool-to-the-touch sensationLayers of resilient, supportive latex and gel-infused memory foamCoolTwist® and exclusive CopperLite,™ work together to reduce heat build-up for a coolerTruResponse coil system, utilizes thousands of coils which conform independently to provide responsive, body-cradling support