The Beautyrest Tri-Cool™ Advanced Mattress Pad adds a layer of cool comfort to any mattress, providing you with the soothing rest you deserve. Tri-cool™ technology works by moving moisture and excess heat away from the body to keep you comfortable and dry through the night. The 100% polyester down alternative fiberfill offers additional loft and support to ensure you wake up feeling refreshed every day. Beautyrest mattress pads help extend the life of your mattress, protecting it from outside elements and everyday wear and tear. Our sleep technology is designed for the most restorative sleep, giving you heightened focus, maximized energy, and ultimate clarity during the day.