The Perfect Mattress For Your Active Lifestyle. The Bear Mattress is designed for athletes and people living a healthy, active lifestyle. It has been engineered with both advanced foam and Celliantâ„¢ responsive textile technologies. We worked with experts around the world to design a mattress that is universally comfortable, sleeps cool, helps you recover faster and increases your energy. Sleep is as important to your performance in life as diet and exercise, and we believe the BEAR MATTRESS will exceed your expectations and improve your life. Our vertically integrated manufacturing and direct to consumer sales model reduces costs to deliver an exceptional product at an exceptional value. Try it risk-free for 100 nights.