The only pillow that supports your legs & knees Patented design finally gives sleepers the comfort dreams are made of. Better support, improved posture to provide comfort for: • Back pain & sciatica relief • Stress on your hips or hip replacement recovery • Knee support to eliminate bone on bone discomfort • Pregnancy support for improved sleep • Spine alignment for side sleeping • Helps comfort arthritis in back, hips, legs or knees • Surgery recovery or replacement surgery support • Total leg support (when you use 2 together) instant Alignment Upgrade Alleviate unwanted pressure and discomfort by properly supporting your body to align your back, hips, legs & knees. Cooler NIghts Sleep Ventilated memory foam pillow promotes breathability and airflow. Or try Legacy Deluxe with cooling PCM layer! Universal Fit Ergonomic design to contour to your body shape, perfect for men & women!