Brookstone Biosense Neck Travel Pillow. Soothing support for relaxing and napping as you travel. Exclusive BioSense (R) foam core pillow is designed to alleviate pressure while u-shaped design supports your head, encouraging proper alignment between head, neck and spine. Features a ventilated design that helps the pillow to adapt to your body temperature. BioSense (R) memory foam is made with green tea, charcoal and seed oil for natural odor resistance.