Cozier, Softer, Loftier -Better Than Down®: Our luxurious cover features an ultra-plush, microfiber down-alternative fill and silky soft fabric shell that"s removable and machine-washable. * BioSenseTM Memory Foam Core: Specially shaped for back-sleepers. Delivers custom, pressure-relieving support to your head and neck. Made with green tea, seed oils and charcoal for natural odor resistance. * Ventilated Design: Our BioSense core allows air to flow easily through-adapting to your body temperature-for comfort and support that"s always just right * We"ve reinvented the pillow-making it softer where you want it, and more supportive where you need it