GREAT FOR Side Sleepers Pregnant Women Sleepers in all weight groupslight average heavy Sleepers suffering from sciatic joint hip pain back pain poor circulation spine misalignment Comfortably supports your legs knees to provide proper sleeping alignment positioning to eliminate those painful pressure points The leg pillow was invented to help reduce pressure that occurs from bad sleeping grievance which causes discomfort It is very comfortable and breathable The designed with ventilated air holes in the memory foam that promote air circulation throughout the The temperature regulating foam technology pushes the heat outwards away from your body to prevent you from feeling like you are overheating