SLEEP TESTED for all sleep positions and body types. BG-Xs unique conforming REACT core is designed to dynamically fit any sleep position and provides constant cradling and weightless support for your head, neck and shoulders. Its flexible fill dynamically reacts to your form and motion, providing support for your personal shape to ensure deep sleep. Our temperature regulating Dri-Tec fabric and ventilated Air-X sidewall panels for enhanced airflow also ensure maximum recovery.