Conforming comfort and soft support for any sleeper. Unique blend of memory foam pieces and premium down alternative fibers. This comfortable pillow gently conforms to your head and neck and recovers its shape night after night. Breathable Lyocell blend cover is luxurious and soothing. Hypoallergenic for allergy sensitive sleepers. Ultimate: Three removable inserts let you individualize your support and height as your sleep needs change. Great for all sleeping positions. Recommend 1-2 inserts for stomach sleepers; 2-3 inserts for back or side sleepers.