Choose from available sizes. TriComfort design with 3 layers of memory foam. 14 in. thick. Medium-soft support. Comfort luxury top layer made of 2.5-inch SureTemp memory foam. Pressure point relief for personalized alignment. Includes a 20-year limited manufacturer's warranty. The Sleep Innovations Alden 14 in. Memory Foam Mattress is built for support and alignment with its TriComfort triple-layer memory foam construction. Ideal for side sleepers, this mattress reduces pressure points and instead offers support and alignment throughout your entire body. A 9-inch layer of durable support foam forms the base of the mattress and is topped with a breezy middle layer of 2.5-inch air channel foam to enhance breathability. The top layer of 2.5-inch SureTemp memory foam offers you an absolutely luxurious night's sleep. The medium-soft feel will cradle you into your perfect slumber while still offering durability and a long mattress life.Mattress Dimensions: Twin: 75L x 39W x 14H in. Full: 75L x 54W x 14H in. Queen: 80L x 60W x 14H in. King: 80L x 76W x 14H in. California King: 84L x 72W x 14H in.