Memory Foam CLOUD-LIKE FEEL – Sealy’s TrueForm mattress toppers stay true to your body’s needs with a weightless comfort that feels like you’re sleeping on cloud 9. HIGHLY-ADAPTIVE – Gel-infused memory foam hugs the contours of your body while you rest yet allows for more flexibility than firmer memory foam toppers. This sets your body up for a more comfortable and uninterrupted night’s sleep.