G bedsore STORM SERIES PERFORMANCE® PILLOWS Powered by Ver-Tex® and Air-X® technologies, the Storm series is available in a series of 4 Pillow |D® sizes for personalized fit. Features: * Revolutionary Yer-Tex® cool touch fabric moves away excess heat, helping you to maintain your ideal sleep temperature throughout the night Patented Air-X® ventilated side panels enhance air flow throughout the pillow, moving away excess heat from your head, neck and shoulders.