Attention back sleepers! Get ready for the best sleep of your life. Bedgear’s’ Impulse Performance® 2.0 Pillow is a dual-chamber pillow that is soft on one side and firm on the other. React™ Blend and React™ Foam Crown fill provide soft, conforming support for your head, neck and shoulders while Air-X® mesh and air vents keep air flowing to provide cross-ventilation throughout the pillow. A Ver-Tex™ instant-cooling cover helps the body to naturally regulate its temperature throughout the night. This pillow is perfect for a medium body frame.