Zoned Dough® + Bamboo Charcoal Travel Neck Low Loft Infused with bamboo charcoal to regulate humidity,, temperature and odors. Ventilated for increased air circulation and breathability. Zoned comfort cradles the head while supporting the neck. Dough® formula creates a softer,, more supportive memory foam. Rayon from bamboo velour removable cover. . . . Infused with bamboo charcoal to regulate humidity,, temperature and odors Ventilated for increased air circulation and breathability Zoned comfort cradles the head while supporting the neck Dough® formula creates a softer,, more supportive memory foam Rayon from bamboo velour removable cover