The Lucid Comfort Collection 8 Inch Gel Memory Foam Mattress offers the perfect balance of support and comfort. This Twin memory foam mattress offers four layers of supportive and responsive foam. Ideal for stomach or back sleepers, this firm gel memory foam mattress helps align the spine. The foam is infused with SureCool gel and designed with PureFlow ventilation to keep air flowing and maintain a comfortable sleeping temperature. Lucid Comfort Collection mattresses are designed to help you wake up rested and ready to take on the day. Color: White.