Stay cool all night! The Serta iComfortECO Q10 Medium Quilted Hybrid mattress is designed with your comfort in mind. Featuring select materials that are up to 70% sustainable, this premium, supportive mattress offers a hybrid construction with a classic, quilted-top feel. Multiple comfort layers, including Terra Fusion Memory Foam and high-quality comfort foam, deliver welcome pressure relief and reduced motion transfer for uninterrupted sleep.