The Simmons 8” Gel Memory Foam mattress is a great fit for apartments, guest rooms, your room, or kids rooms. The top layer is 2" of premium gel memory foam designed to keep you cool. The next two layers consist of 2" of motion separation foam that isolates your movements for a more peaceful sleep, and 4" of supportive base foam that provides lasting support for your back. You can trust Simmons to deliver durable support and comfort in every mattress we make.