Leg Pillow is an orthopedic memory foam leg cushion that provides side sleepers comfort for their lower back hips legs spine By positioning you in your natural alignment the leg pillow is designed to help alleviate pressure points that The zippered pillow case allows for easy removal for the cover to be machine washed Center incline accommodates natural sloping of thighs to keep pillow in place throughout the night Ergonomic design promotes air circulation throughout the night Removable Machinewashable Cover Fine texture feel soft not wool not the ball It is very easy to clean machine washable Unlike traditional memory foam leg pillow that are designed to absorb your body heat in order to compress the Contour Legacy Leg Pillow is designed with ventilated air holes in the memory foam that promote air circulation throughout the night The temperature regulating foam technology pushes the heat outwards away from your body to prevent you from feeling like you are overheating