Orthopedic butterfly design with an ergonomic contoured shape provides support for the natural alignment of your cervical spine. High-density slow-rebound memory foam cushions head and neck, conforming to your shape while maintaining its form over time. Multi-age usability: designed for teens and adults, suitable for all genders, offering personalized support to help reduce stiffness and improve sleep quality. Breathable and cooling: the breathable pillow cover regulates temperature to keep you cool and comfortable, reducing night sweats. Ideal for year-round use in all sleep environments. Use scenarios: - Side or back sleepers seeking precise neck support and spinal alignment to minimize morning stiffness. - Teens and adults looking to improve sleep quality with consistent, contouring support. - Hot sleepers or warm climates needing a breathable, temperature-regulating pillow to stay cool through the night.